lubricate

1. V-T If you lubricate something such as a part of a machine, you put a substance such as oil on it so that it moves smoothly. 使潤滑[正式]

Mineral oils are used to lubricate machinery. 鑛物油被用來潤滑機器。

2. lubricationN-UNCOUNT 潤滑

Use a touch of linseed oil for lubrication. 用一點蓖麻油來潤滑一下。