hofmann degradation夫: that; this; those; these曼: a surname降解: degradation霍夫曼降解: hofmann degradation何夫曼: hofmann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:何夫曼降解，即可在微信中查询翻译
