methyl

甲基化學

Replacing one hydrogen atom with a methyl changes the compound's properties.

把一個氫原子換成甲基，會改變這個化合物的性質。

甲基的、含甲基的化學，用於名詞前

Methyl alcohol is highly toxic and must never be swallowed.

甲醇毒性很強，絕對不可以吞食。