mass noun
1- oily or fatty matter, in particular油腻状物, 尤指：
1.1
- a thick oily substance used as a lubricant润滑脂, 润滑油：
axle grease.
轮轴润滑油。
1.2
- oil or fat used or produced in cooking（烹饪时使用或产生的）油脂。
1.3
- oily matter in the hair, especially when applied as a dressing头发上的油脂（尤指美发用发油, 发蜡）。
1.4
- the oily matter in unprocessed wool; lanolin.生羊毛中的油汗; 羊毛脂。
with obj.
- smear or lubricate with grease用油脂涂; 给…加润滑油：
as adj. greased place on a greased baking sheet.放在涂了油脂的烘烤板上。
短语
grease the palm of
- informal bribe (someone)〈非正式〉买通, 向…行贿。
- ORIGIN: grease expressing the sense 'cause to run smoothly' and palm, by association with the taking of money.
grease the skids
- N. Amer. informal help matters run smoothly〈北美, 非正式〉使事情顺利进行：
his mission was to use his budgetary skills to grease the skids for new projects.
他的任务是运用预算能力使新项目顺利进行。
like greased lightning
- informal extremely fast〈非正式〉闪电般地, 飞快地：
he leaped over the tailboard of the lorry like greased lightning.
他闪电般跃过卡车后挡板。
派生词
greaseless
adjective词源
Middle English: from Old French graisse, based on Latin crassus 'thick， fat'.