This is because sebum is composed of both saturated and unsaturated fatty acids.

因为皮脂是由饱和脂肪酸和非饱和脂肪酸共同组成的。

Worse by far are the trans unsaturated fats.

迄今为止，最糟糕的是反式不饱和脂肪。

Unsaturated fat is usually liquid at room temperature and generally comes from vegetable sources.

不饱和脂肪在常温下是液体，通常来源于植物。

Unsaturated bonds are more reactive, and it is here that ozonolysis does its work.

不饱和键反应性更强，这就是臭氧分解的作用。

But they only consume the saturated fats, leaving the unsaturated ones behind.

但他们只以饱和脂肪酸为食，剩下了非饱和脂肪酸。

So unsaturated fats don't have as many hydrogens as they could have per carbon atom.

所以不饱和脂肪分子没有每个碳原子拥有的氢原子多。

Soybeans and fermented soybean products are superfoods. They are rich in protein, fibre and unsaturated fats.

大豆和发酵大豆制品是超级食品。它们富含蛋白质、纤维和不饱和脂肪。

Unsaturated fats, on the other hand, contain double bonds that create an irregular kink in their structure.

相反，非饱和以双键以双键不规则地连接在一起。

Unsaturated fats are regarded as the best fat option, whereas trans fat is to be avoided completely.

不饱和脂肪被认为是最好的脂肪选择，而反式脂肪则要完全避免。

When darkened and unsaturated for a low-key look, they feel calm, fresh and comfortable to the modern taste.

当颜色亮度和饱和度变低，就会让人感到平静、清新和适应现代品味。