Pump lubrication
[机] 泵润滑, 泵加油
🧩 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;
n. 润滑, 注油, 润滑作用\\n[计] 润滑
🗣️ 情景例句
His yearly salary is in seven digits.
他的年薪是7位数。
I don't know. You may look in the TV Guide.
我不知道，你可以看看《电视报》。
Hello. Ann here.
喂。我是安。