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
Thank you for calling us.
谢谢你打电话给我们。
Tell me truth, don't beat around the bush.
实话告诉我,别兜圈子。
Portable boiling elements that can boil small quantities of water are useful when the right voltage of electricity is available.