Because oil is like a lock moisture barrier, if this layer protective film disappears, then the water will soon be air-dry the external environment.

因为油脂犹如锁住水分的一道屏障，如果这层保护膜消失不见，那么，水分很快会被外界环境风干。

youdao

Because oil is like a lock moisture barrier, if this layer protective film disappears, then the water will soon be air-dry the external environment.

因为油脂犹如锁住水分的一道屏障，如果这层保护膜消失不见，那么，水分很快会被外界环境风干。

youdao