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
No. That's about all.
没有。大概就是这些。
These drawings on the wall are process sheets.
墙上的图表是工艺流程表。
I have breakfast at 7:00 and then I go to school.
我七点吃早餐，然后去上学。