The air drying property of unsaturated polyester resin prepared from dipropylene glycol monoallyl ether was studied.

研究了由二丙二醇单烯丙基醚制得的不饱和聚酯树脂的风干性能。

And the second thing is it is unsaturated.

第二点是，它不饱和。

There are two types of fat - saturated and unsaturated.

有两种类型的脂肪- 饱和和不饱和。

People should eat foods rich unsaturated fats such as olive oil.

人们应当吃橄榄油等富含不饱和脂肪的食品。

The majority of their fat intake, however, was unsaturated fats.

不过，他们摄入的主要是不饱和脂肪。