B1 a piece of equipment that is used to cause liquid, air, or gas to move from one place to another泵,抽水机;油泵;打气筒
More examples
The pump is powered by a small electric motor.
Fish tanks often have a pump that oxygenates the water.
The pump is driven by steam.
[ usually plural ] a type of flat shoe, like a ballet dancer's shoe, worn by women平底鞋
[ usually plural ] US UK court shoe a type of plain shoe with a raised heel and no way of fastening it to the foot, worn by women高跟无带女鞋
[ usually plural ] UK a flat shoe made of heavy cloth, worn by children for doing sports橡胶底帆布鞋,体操鞋
[ T usually + adv/prep ] to force liquid or gas to move somewhere(用泵)抽吸,抽送(液体或气体)
[ T ] informal to keep asking someone for information, especially in a way that is not direct(尤指间接地)盘问,套问
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