grease
noun [ U ] uk/ɡriːs/ us/ɡriːs/
油，油脂;油腻状物
animal or vegetable fat that is soft after melting, or more generally, any thick oil-like substance
The dinner plates were thick with grease. 餐盘上厚厚一层油。
You'll have to put some grease on those ball bearings. 你得往滚珠轴承上涂些油。
grease
verb [ T ] uk/ɡriːs/ us/ɡriːs/
用油脂涂;给…加润滑油
to put fat or oil on something
Grease the tins well before adding the cake mixture. 在烤盘里面涂好油脂，然后再把蛋糕混合料加进去。
Idioms
grease someone's palmidiom disapproving 向（某人）行贿;收买
to secretly give someone money in order to persuade them to do something for you
like greased lightningidiom 闪电似的，飞快地
very fast
As soon as I mentioned work, he was out of the door like greased lightning! 我刚一提工作的事儿，他就一溜烟似的跑出去了！