| 单词 | polyunsaturated |
| 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 |
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