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?jié)櫥?span>[正式]

Mineral oils are used to lubricate machinery. 礦物油被用來潤(rùn)滑機(jī)器。

2. lubricationN-UNCOUNT 潤(rùn)滑

Use a touch of linseed oil for lubrication. 用一點(diǎn)蓖麻油來潤(rùn)滑一下。