Reciprocating pump
[化] 往复泵
🧩 词语组成解析
[医] 交互的, 往复的
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
A small one will suit me.
小型车对我来说很合适。
Did you wash this yourself?
你自己亲自洗了这个？
We shall all remember Mr.Page for his patience and understanding and for the kindly encouragement he gave us when we went so unwillingly to school.
我们不会忘记佩奇先生对我们既有耐心又充满理解，也不会忘记在我们不愿去上学时他给予我们的亲切鼓励。