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
But the only time he's available this week
但这星期他有空的时间只有
Speak well of your friend, of your enemy say nothing.
要赞美朋友，莫提及敌人。
It's often cold in December, January and February.It snows sometimes.
12月、1月和2月常常很冷，有时还下雪。