n.乙基(含四乙鉛的汽車燃料)
In Brazil, about 40% of all motor fuel is ethanol, also known as ethyl alcohol. 在巴西,所有機動燃料的大約40%25是乙醇,也就是酒精。
n.乙烯
adj.甲基的
動詞methylate過去式和過去分詞形式
n.甲基；木精
n.亞甲基
n.聚乙烯
adj.二甲基的
n.乙烷
