名词
中文翻译：烯烃
同义词：
['alkene', 'oleochemical', 'olefinic']
例句：
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1.The production of olefins is a key step in the petrochemical industry.
烯烃的生产是石化工业的关键步骤。
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2.Olefins are used as raw materials for making plastics and rubber.
烯烃被用作制造塑料和橡胶的原料。
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3.In recent years, olefins have been extensively used in the field of polymer science.
近年来，烯烃在聚合物科学领域得到了广泛应用。