单词	origin of infection
释义	origin of infection 传染源
随便看	copyright works Copyright World copyrigth copyrine copyrolysis co-pyronil copy room copy router copy rule copy rule chain copys copy sb in copy screen mode copy seal copy selection copy selector copy separation copy service copy service for microfilms copy service for paper copies copy shaping machine copyshop copy shop copyshops copy shops S秋浦歌 S秋登万山寄张五 S秋登兰山寄张五 S秋登宣城谢朓北楼 S秋蕊香 S秋蕊香 S秋词（其一） S秋闺思二首 S秋霁 S秦中感秋寄远上人よわむし【弱虫】よわめるよわめる【弱める】よわよわしいよわよわしい【弱弱しい】よわりめよわりめ【弱り目】よわり目よわるよわる【弱る】