| 释义 | 
		o·le·fin AHD[ōʹlə-fĭn] D.J.[ˈəʊləfɪn]K.K.[ˈoləfɪn]n.(名词)- Any of a class of unsaturated open-chain hydrocarbons such as ethylene, having the general formula CnH 2 n; an alkene with only one carbon-carbon double bond. 烯烃:任何一类不饱和的开链碳氢化合物,如乙烯,总分子式为CnH 2 n;仅有一个碳—碳双链的链烯 
 
 - French (gaz) oléfiant [oil-forming (gas), ethylene] 法语 (gaz) oléfiant [油构成的(气体),乙烯] 
 
 - Latin oleum [oil] * see  oil 拉丁语 oleum [油] * 参见 oil
 
 - -fiant [present participle of] -fier [-fy] -fiant   -fier的现在分词 [使…化] 
 
  o'lefinʹic adj.(形容词) |