Piston pump
[化] 活塞泵
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
pump
[pʌmp]
n. 抽水机;打气筒;泵;轻软舞鞋;
v. 用泵输送 ;涌出;急速摇晃;盘问;
🗣️ 情景例句
He has a reputation for honesty.
他以诚实著称。
Experience is the father of wisdom and memory the mother.
经验是知识之父，记忆是知识之母。
A parliamentary committee representing all political parties appoints a person who is suitably qualified to investigate private grievances against the State.
议会内有一个代表各政党利益的委员会，由它委派一位称职的人选专门调查个人对国家的意见。