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
It just depends on a number of things.
这得靠许多因素才能决定。
I wonder whether he's telling the truth.
我不知道他说的是不是实话。
Every day you can have one apple, one orange, one piece of dry bread, and a glass of water.
你每天可以吃一个苹果，一个桔子，一块面包，还有一杯水。