名词
中文翻译：烷基
同义词：
['alkyne', 'alkene']
例句：
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1. The alkynes react with acids to form carbonyl compounds.
烷基与酸反应形成羰基化合物。
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2. Alkynes are used in the synthesis of polymers and plastics.
烷基用于合成聚合物和塑料。
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3. Alkynes are also used as precursors for the production of alkyl halides.
烷基也是制备烷基卤化物的前体。