1 a thick dark liquid that comes from under the ground and is used as a fuel or to make machines work smoothly 石油;燃油;润滑油
2 a thick liquid that comes from animals or plants and is used in cooking (动物或植物的)油(用于烹饪):
cooking/vegetable/sunflower/olive oil食用油;植物油;葵花籽油;橄榄油
oilverb [T]