Englishfor English speakers
circulation
Noun
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Circulation is the act of moving in a circle.
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Circulation is the act of passing from place to place or person to person.
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If something is in circulation, it is being passed around within a system.
The new bills will come into circulation next Friday.
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.