oil /ɔil/ I. n.u]油,石油(用作pl.时表示油类)cooking oil烹饪用油;edible oil 食用油;vegetable and animal oils 植物油和动物油Oil and water will not mix.油和水不相溶合。‖II.vt. 加油:oil the wheels 在车上加油;oil a bicycle给自行车加点润滑油

 oily /ˈɔili/ adj. 1. 涂有油的;油腻的:oily food油腻的食物He always wears the oily old pair of jeans.他总是穿着那条沾满油污的旧牛仔裤。2. 过于奉承的,油滑的,谄媚的:an oily manner奉承的态度 I don’t like oily shop assistants.我不喜欢过分殷勤的店员。