Recovery vacuum pump
[化] 回收真空泵
🧩 词语组成解析
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
Aren't you happy with your present occupation?
你对目前的工作不满意吗？
Travel east or travel west, a man's own home is still the best.
走到东，走到西，最好还是到家里。
We offered them food and spoke to them kindly, but they remained motionless.
我们给他们东西吃，客客气气地同他们交谈，但他们却一动也不动。