| 单词 | 结构成分 |
| 释义 | 〔lipid〕Any of a group of organic compounds, including the fats, oils, waxes, sterols, and triglycerides, that are insoluble in water but soluble in common organic solvents, are oily to the touch, and together with carbohydrates and proteins constitute the principal structural material of living cells.脂质，脂：一种包括脂肪、油茶、蜡、类固醇和甘油三酸脂的有机物，不能溶于水，却能溶于普通有机溶剂中，摸上去有油腻感，与碳水化合物和蛋白质构成了生命细胞的主要结构成分〔keratin〕A tough, insoluble protein substance that is the chief structural constituent of hair, nails, horns, and hoofs.角蛋白：一种不溶解的较硬的蛋白物质，是头发、指甲、角和蹄的主要结构成分〔adenosine〕A nucleoside, C10H 13N 5O 4, that is a structural component of nucleic acids and the major molecular component of ADP, AMP, and ATP. 腺嘌呤核苷，腺苷：一种核苷，化学分子式C10H 13N 5O 4，为核酸的结构成分，主要的分子成分为ADP，AMP及ATP |
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