mouthpiece

/ˈmaʊθ.piːs/

名词

（电话的）送话口，话筒；（乐器的）吹口
To play the recorder, blow gently into the mouthpiece.
演奏直笛时，要含住吹口舒缓地吹奏。
传声筒；代言人；喉舌
This newspaper is just a Republican mouthpiece.
这家报纸只不过是共和党的传声筒。