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'd love some cola, please.
请给我可乐。
I enjoy your company.
我喜欢有你做伴。
At present, they are visiting all parts of the country.
目前他们正在全国各地巡回演出，