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
I thought you and Xiao Hua might like to come over here.
我想你和小华或许会愿意过来。
Action is the proper fruit of knowledge.
行动是知识的巧果。
Then he said something and I understood it.
接着，他说了点什么，这回我听懂了。