lubricated

动词 lubricate:

1. have lubricating properties
   同义词：lubricate
2. apply a lubricant to
   同义词：lubricate, lube
3. make slippery or smooth through the application of a lubricant
   同义词：lubricate

形容词 lubricated:

1. smeared with oil or grease to reduce friction
   同义词：greased

1. The dead center, being a stationary bearing point, must be lubricated.
   由于是固定的支承点，死顶尖必须润滑。
2. As the diamond tip of the drill revolves, it is lubricated by mud.
   在钻机的金刚钻头旋转的时候，泥浆便进行了润滑。