题目内容
n. a shape like a curve or circle made by a line curving right round and crossing itself
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adj. very happy; causing people to be happy
v. to make clothes, etc., from wool or cotton thread using two long thin needles or a machine
v.to get involved in and try to influence a situation that does not concern you, in a way that annoys other people
n. a quantity or thickness of sth. that lies over a surface or between surfaces
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