polyunsaturated
音標(biāo)發(fā)音
- 英式音標(biāo) [?p?l.i.?n?s?t?.?r.e?.t?d]
- 美式音標(biāo) [?pɑ?.li.?n?s?t?.?.re?t]
- 英式發(fā)音
- 美式發(fā)音
基本解釋
- adj.[化]多未飽和的(指有一個(gè)以上的雙鍵或三鍵有機(jī)化合物的；還能溶解更多溶質(zhì)的)
英漢例句
- Polyunsaturated margarine is very popular now.
含有多重不飽和化合物的人造黃油現(xiàn)已很受歡迎。
用作形容詞 (adj.)
英英字典
- Polyunsaturated fat or oil 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.