名詞 fatty acid:

1. 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

1. A natural or synthetic ester of glycerol and fatty acids.
   甘油酯以甘油和脂肪酸天然存在的或合成的酯
2. Milkfat provides energy and essential fatty acids that our bodies cannot make.
   乳脂提供我們活力，以及我們身體上無法產(chǎn)生之脂肪酸。