Englishfor English speakers
central
Adjective
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A thing is central when it is in the middle.
The house is central to all of the stores.
Africa
Proper noun
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Africa is the continent that is south of Europe, east of the Atlantic Ocean, west of the Indian Ocean and north of Antarctica.
Africa is the world's second-largest and second most-populous continent, after Asia.
time
Noun
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Time is what we measure with a clock.
"What time do you finish work?" "At four o'clock (4:00)."
I don't have time to talk to you right now. Can we do it later?
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If you do something one time, you do it once.
time
Verb
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If you time something, you measure how long it takes in seconds, minutes, hours, etc.
Take out your watch and time yourself during the test.