Molecular pump
[化] 分子泵; 高真空泵; 分子抽机
🧩 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
It's just one of those things.
这样的事情总是难免的。
I asked him to check it for me, but he wouldn't.
我请他帮我检查，但是他不肯。
First of all, he wrote out a long list of all the foods which were forbidden.
首先，他开列了一张长长的单子，上面列了所有禁吃的食物。