释义 |
polyunsaturated UK [ˌpɒl.i.ʌn'sætʃ.ər.eɪ.tɪd] US [ˌpɑ:.li.ʌn'sætʃ.ə.reɪ.tˌɪd] specialized adjective ■describes a fat or oil which has a chemical structure that does not easily change into cholesterol (= a substance containing a lot of fat that can cause heart disease) because it contains several double bonds (脂肪或油脂)多元不饱和的•polyunsaturated margarine/vegetable oil多元不饱和牛油/植物油 ⇒ See also monounsaturated |