Often it's a salt called phosphocholine and so you get a phospholipid that's made of choline and two lipid chains.

它通常是一种叫磷酸胆碱的盐,这样你就得到了一种,由胆碱和两条脂肪链构成的磷脂

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that are just the, you know, one or two stores rather than the chains.

他们只有一两家店，而不是连锁店。

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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

耶鲁公开课 - 生物医学工程探索课程节选