Word
propylene
丙烯
核心释义
the organic compound propene; a colorless gaseous alkene with the chemical formula C3H6
- 1.
有机化合物丙烯。一种无色气态(常温常压下)烯烃烃类,化学式为 C3H6。
The organic chemical compound propene. An alkene which is a colorless gaseous (at room temperature and pressure) hydrocarbon with the chemical formula C3H6.
有机化合物丙烯。一种无色气态(常温常压下)烯烃烃类,化学式为 C3H6。;丙二醇;[化] 丙烯
用法In use
The factory produces propylene for use in making plastics.
用法提示:propylene 是名词,在句中作宾语,指化学物质丙烯。
Propylene is a flammable gas at room temperature.
用法提示:propylene 作主语,为名词,表示该化合物。
Scientists study the reactions of propylene with other chemicals.
用法提示:propylene 作介词 of 的宾语,名词用法,指明研究对象。
propylene + 单数动词(不可数用法,不加冠词)
指丙烯这种物质时,通常作不可数名词,前面不加冠词,谓语用单数。
Propylene is a colorless gas at room temperature.
丙烯在常温下是一种无色气体。
be made/produced from propylene
说明由丙烯加工、制得某物时,常与 from 连用。
相关词与表达Connections
易混词Confusing words
词族Word family
- polypropylene
- 聚丙烯 · poly- + propylene
学习提示Learner notes
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.