benzyl methyl ketonebenzyltrimethyl ketone苄基: benzyl; benzyl group甲基: methyl; methylium; carbinyl; ...酮: ketone; alkone; ket-; -one丁基甲基酮: butyl methyl ketone乙基甲基酮: ethylmethyl ketone下载手机词典可随时随地查词查翻译