a flammable colorless gaseous alkene; obtained from petroleum and natural gas and used in manufacturing many other chemicals; sometimes used as an anesthetic
中英词源
ethylene 乙烯
ethyl,含乙基的。-ene,化学名词后缀，烯。
ethylene (n.)
poisonous, flammable gas, 1852, from ethyl + -ene, probably suggested by methylene.
词态变化
权威造句
1. Ethylene and trans - dichloroethylene are both inactive in the infra - red in this region.
乙烯和反式二氯乙烯在红外光谱的这个区域都无活性.
来自辞典例句
2. Plasma - polymerization of ethylene gives films of complex, uncertain structure.
乙烯的等离子聚合得到复杂的, 无固定结构的薄膜.
来自辞典例句
3. Incomplete combustion and improper draft conditions can cause ethylene formation.
不完全的燃烧和不适当的通风条件能导致乙炔的产生.
来自辞典例句
4. Jaffe found that when rubbed plants give off increased amounts of ethylene.
