人体主要由骨、肌肉和脂肪组成。

The body is made up primarily of bone, muscle, and fat.

《柯林斯英汉双解大词典》

白质主要由神经元周围的脂肪髓鞘组成，揭示了大脑的连接。

This is largely composed of the fatty myelin sheaths around neurons and so reveals the brain's connections.

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肉主要由肌肉和脂肪组成。

Flesh consists mostly of muscles and fat.

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鱼骨主要由灰分、蛋白质、水分及脂肪组成。

Ash, protein water and lipid are its main composition.

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复方戊二醛消毒剂主要由戊二醛、聚氧乙烯脂肪醇醚等成分组成。

Compound Disinfectant of glutaraldehyde is mainly composed of the ingredients such as glutaraldehyde and polyoxyethylene aliphatic alcohol ether.

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实验结果表明，萃取物主要由脂肪烃、 芳香烃和含杂原子化合物组成。

The experimental results show that the fractions of the extracts consist mainly of aliphatic hydrocarbons, aromatic hydrocarbons and heteroatom-containing compounds.

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实验结果表明，萃取物主要由脂肪烃、 芳香烃和含杂原子化合物组成。

The experimental results show that the fractions of the extracts consist mainly of aliphatic hydrocarbons, aromatic hydrocarbons and heteroatom-containing compounds.

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