lubricate
/ˈluːbrɪkeɪt/verb
with obj.
1- apply a substance such as oil or grease to (an engine or component) so as to minimize friction and allow smooth movement润滑, 加润滑剂于：
remove the nut and lubricate the thread
取下螺母并在螺纹上加润滑剂
as adj. lubricating lubricating oils.润滑油。
1.1
- make (something) slippery or smooth by applying an oily substance使润滑。
1.2
- figurative make (a process) run smoothly〈喻〉使（进程）顺畅, 促进：
the availability of credit lubricated the channels of trade.
信贷的使用使贸易渠道更为畅通。
1.3
- figurative make someone convivial, especially with alcohol〈喻〉灌…酒; 以酒为…增兴：
men lubricated with alcohol speak their true feelings.
男人在有醉意的时候会讲出他们的真实感受。
派生词
lubrication
nounlubricator
noun词源
early 17th cent.: from Latin lubricat- 'made slippery', from the verb lubricare, from lubricus 'slippery'.