1
- mass noun a viscous liquid derived from petroleum, especially for use as a fuel or lubricant汽油; 润滑油。
1.1
- petroleum石油。
1.2
- with modifier any of various thick, viscous, typically flammable liquids which are insoluble in water but soluble in organic solvents and are obtained from animals or plants油类：
potatoes fried in vegetable oil.
用植物油炸的马铃薯。
1.3
- a liquid preparation used on the hair or skin as a cosmetic（化妆品）油; 乳：
suntan oil.
防晒乳。
1.4
- count noun Chemistry any of a group of natural esters of glycerol and various fatty acids, which are liquid at room temperature【化】油。比较FAT.
2
- （常作oils）oil paint油画：
a portrait in oils.
一幅油画肖像。
3
- Austral./NZ informal information or facts〈澳/新西兰, 非正式〉信息; 事实：
Young had some good oil on the Adelaide races.
杨在阿德雷德赛马方面掌握着一些有用的情况。
with obj. ［often as adj. oiled］
1
- lubricate or coat (something) with oil用油润滑; 给…涂油：
a lightly oiled baking tray.
涂了少量油的烤盘。
1.1
- impregnate or treat (something) with oil上油：
her hair was heavily oiled.
她的头发上了很多发油。
1.2
be oiled
(of a place) be polluted with oil（地方）原油污染：parts of the shoreline are oiled to a heavy degree.
部分海岸线原油污染严重。
2
- supply with oil as fuel加油：
attempts should not be made to oil individual tanks too rapidly.
不该尝试给独立油箱太快加油。
短语
oil and water
- used to refer to two elements, factors, or people that do not agree or blend together油和水（指互不相容的因素或人）。
oil the wheels
- help something go smoothly帮助事情顺利进行：
compliments oil the wheels of life.
称赞会使生活更好过。
派生词
oil-less
adjective词源
Middle English: from Old Northern French olie, Old French oile, from Latin oleum '(olive) oil'; compare with olea 'olive'.