in

/ən/ 形容词 C2

中文：在里面的、在家的、界内的

Located indoors, especially at home or at one's office or place of work. · Is Mr. Smith in?
Located inside something. · Little by little I pushed the snake into the basket, until finally all of it was in.· The bullet is about five centimetres in.
Falling or remaining within the bounds of the playing area. · If the tennis ball bounces on the line then it's in.
Inserted or fitted into something. · I've discovered why the TV wasn't working – the plug wasn't in!
Having been collected or received. · The replies to the questionnaires are now all in.
In stock, available in stores (particularly of a new item). · Our latest product is in!
In fashion; popular. · Skirts are in this year.
Incoming. · the in train

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来自图书馆

Up in the air I go flying again,

Up in the air and down!

Down in cool places,

Spreads in a twinkle

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