1、 language在线翻译
2、 He has a good command of four languages、他精通四国语言。
3、 He can speak several languages、他会讲好几种语言。
4、 The deaf and mute communicate by sign language、聋哑人用手语沟通。
5、 Language is an instrument for communication、语言是交际的手段。
6、 People in different countries speak different languages、不同国家的人说不同的语言。