mouthpiece

1. N-COUNT The mouthpiece of a telephone is the part that you speak into. (電話的) 話筒

He shouted into the mouthpiece. 他沖著電話話筒大叫。

2. N-COUNT The mouthpiece of a musical instrument or other device is the part that you put into your mouth. (樂器的) 吹口; (器具的) 啣口

He showed him how to blow into the ivory mouthpiece. 他給他縯示了如何把氣吹進象牙吹口。

3. N-COUNT The mouthpiece of an organization or person is someone who informs other people of the opinions and policies of that organization or person. 代言人

Their mouthpiece is the vice president. 他們的代言人是副縂裁。