Vacuum pump oil
[化] 真空泵油
🧩 词语组成解析
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;
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
🗣️ 情景例句
The work is in full swing.
工作正在全力进行。
All is not lost that is in danger.
在危险中的东西未必都会损失。
Long ago, people believed that the world was flat.
很久以前人们相信地球是平的。