dimethylphenanthrene二: two甲: the first of the ten Heavenl ...菲: humble; unworthy甲菲: methylphenanthrene甲菲定: dimidium下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:二甲菲,即可在微信中查询翻译