Polyunsaturated
[化]多未饱和的(指有一个以上的双键或三键有机化合物的, 还能溶解更多溶质的)
📖 牛津释义
polyunsaturated
adj
(of many vegetable and some animal fats) having a chemical structure which does not help the harmful formation of cholesterol in the blood （指许多植物脂肪和一些动物脂肪）含有多重不饱和化合物的
Polyunsaturated margarine is very popular now. 含有多重不饱和化合物的人造黄油现已很受欢迎. Cf 参看 saturated 2.
🗣️ 情景例句
Isn't it exciting, Grandpa?
真令人兴奋， 是吗， 爷爷？
You'd better run or you're going to be left behind.
你最好跑不然你将落在后面。
Their sleeping bags were warm and comfortable, so they all slept soundly.
睡袋既暖和又舒服，所以，他们都睡得很香。