Reciprocating vacuum pump
[化] 往复式真空泵
🧩 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
And I don't have to make a quick decision.
而且我也不需很快下决定。
The clothes dryer gets very hot.
衣物干燥机变得非常热了。
There is a call for you.
有你的电话。