ethene is a/an [adjective] [noun]
Ethene is a flammable gaseous alkene.
乙烯是一种易燃的气态烯烃。
由乙烯衍生的任何烯烃
任何由乙烯衍生的烯烃。;乙烯;[化] 乙烯; 1;2-亚乙基
任何由乙烯衍生的烯烃。
Any alkene derived from ethylene
Ethene is used to produce polyethylene, a common plastic.
乙烯用于生产聚乙烯,一种常见的塑料。
用法提示:作为名词,表示一种用于制造塑料的化学物质。
The industrial process converts ethane into ethene through cracking.
工业过程通过裂化将乙烷转化为乙烯。
用法提示:作为名词,指在化学反应中作为产物的气体。
Ripening fruit naturally releases small amounts of ethene gas.
成熟的水果会自然释放少量乙烯气体。
用法提示:作为名词,表示一种植物激素。
Ethene is a flammable gaseous alkene.
乙烯是一种易燃的气态烯烃。
Ethene is used in the production of polyethylene.
乙烯用于生产聚乙烯。
Industries produce ethene from petroleum.
工业从石油中生产乙烯。
grammar · medium
易错句子Ethene is a saturated hydrocarbon.
正确表达Ethane is a saturated hydrocarbon.
中文学习者常混淆ethene(乙烯)和ethane(乙烷),因为拼写相似,但ethene是烯烃(含双键),而ethane是烷烃(只含单键)。错误句中把ethene当作饱和烃,实际上ethene是不饱和的。
grammar · medium
易错句子We need two ethenes for the reaction.
正确表达We need two molecules of ethene for the reaction.
Ethene作为化学物质通常不可数,复数形式ethenes错误。应使用不可数形式ethene,或明确说明分子数量。中文学习者可能受汉语中可数用法影响而误加复数。
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