剑桥词典a type of fat found in some vegetable oils that is thought to be healthier than saturates (= fat from meat , milk , and cheese ) 多重不饱和脂肪酸 This margarine is high in polyunsaturates. 这种人造黄油富含多重不饱和脂肪酸。 比较saturate noun 返回 polyunsaturate