名詞 butylene:

1. any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers
   同義詞：butene

bu.tyl.ene

n.（名詞）
Any of three gaseous isomeric ethylene hydrocarbons, C4H 8, used principally in making synthetic rubbers.
丁烯：乙烯的三種氣態(tài)同分異構(gòu)體之一，C4H 8，主要用于制造合成橡膠