pump

Ⅰ n ① ［C］ ［often in comb］ a machine， usu with a tube and a handle， for forcing liquids， air， or gas into or out of sth ［常构成复合词］泵；抽机；唧筒：an old-fashioned ～ for drawing water from a well 一台从井里汲水的老式抽水机/The heart is a kind of natural ～ that moves the blood around the body. 心脏是一种使血液在周身循环的自然泵。/stomach ～ 胃唧筒 ［医学］/a bicycle ～ 打气筒 ② ［sing only］ an act of pumping ［仅用单数］抽；吸 all hands to the ～s! Everyone must help to get us out of this difficulty! 大家帮助克服困难。 give sb's hand a ～， shake sb's hand with force， moving it up and down 上下用力握某人的手 Ⅱ vt ① move (liquids， air， or gas) by using a pump ......     （共1904字）    [阅读本文]>>