Fatty acid chains are fat molecules, they behave, if you have a lot of them in solution like oil.

脂肪酸链就是脂肪分子,它们看上去好像,如果你见过富含脂类的溶液,比如油

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They have two fatty acid chains and so these are the oily like parts of the molecule, the molecules that behave like oil.

它们含有两条脂肪酸链,这是部分分子具有油脂的属性,使磷脂分子具有油脂的属性

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