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
The plight of starving people is too awful to think about.
饥民的苦境糟得不可想象。
A clean hand wants no washing.
身正不怕影子斜。
The shop near our school
我们学校附近的商店