mouthpiece
n. 喉舌；代言人；送话口
例句
Their mouthpiece is the vice president.
他们的代言人是副总裁。
《柯林斯英汉双解大词典》
The Press Secretary serves as the President's mouthpiece.
新闻部长担任总统的代言人。
《牛津词典》
The newspaper has become the official mouthpiece of the opposition party.
这份报纸已经成为反对党的官方喉舌。
