He has that je ne sais quoi that distinguishes a professional from an amateur.他有那种难以言表的特质，体现出他是专业而非业余的。His new play has a certain je ne sais quoi.他的这出新戏有些地方真是妙不可言.Monkey wielded his cudgel and hit Ne Zha from Behind . Ne...
让受试者通过耳机听“白噪声”。"White noise" was played into the subject's ears through headphones.戴耳机的接线员正坐在总机室里.An operator wearing earphone was sitting in the telephone exchange.一副耳机140英镑，你不是在开玩笑吧！One hundred and forty quid for ...