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Brain Teaser
Brain Teaser

Chapter I

Cover illustration for Brain Teaser
Context Illustration Reading 1/83 · 5 lines
English subtitles · tap any word to listen 1 / 5
_How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.
Barnes was the last; fat and bald and squinting against the brightness of the Arizona sun.
"All set, Carl," he said.
"They had us to check and countercheck, especially the drives."
Engle nodded.
0:00 / 0:00
Speed 0.75x
AI-generated narration by OpenAI · Slow US English
LEARNER DICTIONARY
Archivist
/ˈɑːrkɪvɪst/
Editorial verification pending

A keeper or guardian of historical records and memories.

Brain Teaser

Chapter I

Reading 1/83 · 5 reading units · Lines 1–5

Line 1
_How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.
Line 2
Barnes was the last; fat and bald and squinting against the brightness of the Arizona sun.
Line 3
"All set, Carl," he said.
Line 4
"They had us to check and countercheck, especially the drives."
Line 5
Engle nodded.

Learner Dictionary

Oxford-style entry order: headword, part of speech, US IPA, concise definition, contextual example, audio, and collocations from this reading.

Against preposition US /əˈɡenst/

touching and pressing; in opposition to

From this reading “Barnes was the last; fat and bald and squinting against the brightness of the Arizona sun.”

Crew noun US /crew/

an important story-specific word used in this passage

From this reading “_How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.”

Different noun US /ˈdifferent/

a story-specific word describing an important person, object, action, or idea in this passage

From this reading “_How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.”

Forward noun US /forward/

an important story-specific word used in this passage

From this reading “_How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.”

Last noun US /last/

an important story-specific word used in this passage

From this reading “Barnes was the last; fat and bald and squinting against the brightness of the Arizona sun.”

Nodded noun US /nodded/

an important story-specific word used in this passage

From this reading “Engle nodded.”

Ship noun US /ship/

an important story-specific word used in this passage

From this reading “_How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.”

Still noun US /still/

an important story-specific word used in this passage

From this reading “_How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.”

Stood noun US /stood/

an important story-specific word used in this passage

From this reading “_How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.”

All words in this reading · 61

Every word is available to listen to. Dictionary details are shown only when verified; these are not licensed Oxford entries.

adeterminerUS /ə/

used before a singular noun to mean one of a group, when it is not a particular one

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

againstprepositionUS /əˈɡenst/

touching and pressing; in opposition to

From this reading Barnes was the last; fat and bald and squinting against the brightness of the Arizona sun.

airlock

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

All

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading "All set, Carl," he said.

andconjunctionUS /ənd/

used to join words or parts of a sentence that go together

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

Argosy

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

Arizona

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Barnes was the last; fat and bald and squinting against the brightness of the Arizona sun.

asconjunctionUS /æz/

at the same time that; because; in the way that

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

aside

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

backward

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

bald

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Barnes was the last; fat and bald and squinting against the brightness of the Arizona sun.

Barnes

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Barnes was the last; fat and bald and squinting against the brightness of the Arizona sun.

beauxiliary verbUS /biː/

used with a past participle to form the passive, or with -ing for continuous tenses

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

bothdeterminerUS /boʊθ/

the two together, not just one

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

brightness

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Barnes was the last; fat and bald and squinting against the brightness of the Arizona sun.

canmodal verbUS /kæn/

to be able to, or to be allowed to

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

Carl

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

check

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading "They had us to check and countercheck, especially the drives."

completely

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

countercheck

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading "They had us to check and countercheck, especially the drives."

crewnounUS /crew/

an important story-specific word used in this passage

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

differentnounUS /ˈdifferent/

a story-specific word describing an important person, object, action, or idea in this passage

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

directions

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

drives

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading "They had us to check and countercheck, especially the drives."

Engle

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

especially

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading "They had us to check and countercheck, especially the drives."

fast

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

fat

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Barnes was the last; fat and bald and squinting against the brightness of the Arizona sun.

filed

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

flight

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

forwardnounUS /forward/

an important story-specific word used in this passage

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

going

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

hadauxiliary verbUS /hæd/

the past form of “have”, used to form the past perfect

From this reading "They had us to check and countercheck, especially the drives."

hepronounUS /hiː/

a man, boy, or male animal already mentioned, as the subject

From this reading "All set, Carl," he said.

How

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

inprepositionUS /ɪn/

inside something, or within a place, period, or state

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

lastnounUS /last/

an important story-specific word used in this passage

From this reading Barnes was the last; fat and bald and squinting against the brightness of the Arizona sun.

light

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

motionless

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

noddednounUS /nodded/

an important story-specific word used in this passage

From this reading Engle nodded.

ofprepositionUS /ʌv/

belonging to, or connected with, somebody or something

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

out

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

preparation

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

s

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

said

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading "All set, Carl," he said.

set

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading "All set, Carl," he said.

shipnounUS /ship/

an important story-specific word used in this passage

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

sideways

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

speed

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

squinting

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Barnes was the last; fat and bald and squinting against the brightness of the Arizona sun.

stillnounUS /still/

an important story-specific word used in this passage

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

stoodnounUS /stood/

an important story-specific word used in this passage

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

sun

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading Barnes was the last; fat and bald and squinting against the brightness of the Arizona sun.

thedeterminerUS /ðə/

used before a noun that is already known, already mentioned, or the only one of its kind

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

TheypronounUS /ðeɪ/

the people, animals, or things already mentioned, as the subject

From this reading "They had us to check and countercheck, especially the drives."

toparticleUS /tuː/

used before the base form of a verb to make the infinitive

From this reading "They had us to check and countercheck, especially the drives."

travel

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

twice

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

two

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading _How can a ship travel both forward and backward and sideways in two different directions, be going twice as fast as the speed of light--and still be completely motionless?_ Carl Engle stood aside as the flight preparation crew filed out of the _Argosy_'s airlock.

uspronounUS /ʌs/

the speaker and others, as the object of a verb or preposition

From this reading "They had us to check and countercheck, especially the drives."

wasauxiliary verbUS /wɑːz/

the past form of “be” used with I, he, she, it, or a singular noun

From this reading Barnes was the last; fat and bald and squinting against the brightness of the Arizona sun.