名词
中文翻译：乙烯
同义词：
['ethane', 'propylene']
例句：
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1. Ethylene is a colorless gas that is used in the productionof plastics and synthetic rubber.
乙烯是一种无色气体，用于生产塑料和合成橡胶。
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2. The plant produces ethyleneas a byproduct of photosynthesis.
这种植物在光合作用过程中产生乙烯作为副产品。
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3. Ethylene is also knownfor its ability to cause headaches and nausea.
乙烯还因其引起头痛和恶心的能力而闻名。