Coarse vacuum pump
[化] 低真空泵
🧩 词语组成解析
coarse
[kɔrs]
adj. 粗鄙的;粗糙的;粗野的;粗制滥造的;
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
When trouble comes your neighbors are the ones who will be there.
邻居在你有困难的时候会帮助你。
A good fame is better than a good face.
好的名望胜于好的相貌。
Is it behind her chair?
在她的椅子后面吗？