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
This food is delicious.
这菜味道不错。
What's the round-trip fare?
来回票价多少?
Only an exceptionally heavy snowfall might temporarily dislocate railway services.