剑桥词典a stupid person 愚蠢的人 mouth-breathing adjective informal uk Your browser doesn't support HTML5 audio /ˈmaʊθˌbriː.ðɪŋ/ us Your browser doesn't support HTML5 audio /ˈmaʊθˌbriː.ðɪŋ/ stupid 愚蠢的 a mouth-breathing idiot 白癡 返回 mouth-breather