名词
中文翻译：甲基
同义词：
['methane', 'ethane例句：1. The compound is composed of two methylene groups bonded together.（这种化合物由两个甲基基团通过键连接而成。）2. Methylene chloride is a common solvent used in industrial processes.（二氯甲烷是一种常见的工业溶剂。）']
例句：
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1. The compound is composed of two methylene groups bonded together.
这种化合物由两个甲基基团通过键连接而成。
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2. Methylene chloride is a common solvent used in industrial processes.
二氯甲烷是一种常见的工业溶剂。
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3.The methylene group is found in many natural compounds and can be used as a source of energy.
甲基基团存在于许多自然化合物中，可以作为能源的来源。