Polyunsaturated fats in foods like sunflower seeds, walnuts and fish, also have significant health benefits.

多元不饱和脂肪存在于葵花籽、胡桃和鱼，对健康也带来很大的助益。

Corn oil, for example, is made up of lipids with lots of double bonds, also known as polyunsaturated fats.

例如，玉米油是由许多双键的脂类组成的，这类物质也叫作多元不饱和脂肪。

But it probably depends on the individual polyunsaturated fat.

但这可能取决于个体的多不饱和脂肪。

That's because polyunsaturated fats have some weak carbon-hydrogen bonds, which break and set off a chain of chemical reactions that eventually produce volatile compounds.

这是因为多元不饱和脂肪含有一些弱性碳-氢键，它们会进行分解，并产生一连串化学反应，最终产生易挥发化合物。

That’s because polyunsaturated fats have some weak carbon-hydrogen bonds, which break and set off a chain of chemical reactions that eventually produce volatile compounds.

这是因为多不饱和脂肪具有一些弱的碳氢键，这些碳氢键会破坏并引发一系列化学反应， 最终产生挥发性化合物。