lubricant造句

Its nozzle was smeared with some kind of lubricant.
它的喷嘴抹了某种润滑油。

I think humor is a great lubricant for life.
我认为幽默是人生的上好润滑剂。

Most mechanical devices require oil as a lubricant.
绝大多数机械装置都需要用油作为润滑剂。

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