any of a class of aliphatic monocarboxylic acids that form part of a lipid molecule and can be derived from fat by hydrolysis; fatty acids are simple molecules built around a series of carbon atoms linked together in a chain of 12 to 22 carbon atoms
双语例句
Animal fat is high in saturated fatty acids. 饱和脂肪酸里的动物脂肪含量很高。
Fatty acids can be divided roughly into two main classes. 脂肪酸可粗略地分为两大类。
