Englishfor English speakers
moon
Noun
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The moon is the round white thing in the sky at night. It's like a small planet that goes around the Earth.
I was able to see the road because there was a full moon that night.
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A moon is a thing like a small planet that goes around another planet.
moon
Verb
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If you moon someone, you show them your bare buttocks.
Someone in the car pulled down their pants and mooned us as they drove past.
when
Preposition
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At which time (sometimes a question)
"When did you start learning English?" - "Three years ago."
"When does the film start?" - "At seven o'clock."
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At the time
She phoned me when I was in the bath.
It was the year 1996 when I met John.
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After
When I get up, I always drink a cup of coffee.
round
Preposition
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If mathx/math is round mathy/math, mathy/math is in the middle and mathx/math is on all sides.
Everyone stood round the fire to keep warm.
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If you turn or look round, you are now facing the opposite direction.
She turned round to see what had made the noise.
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You round up numbers in math
You round 28 up to 30.
round
Adjective
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Something is round if it's like a circle or like part of a circle. It is curved, not straight.