单词mouthpiece
n.: 喉舌；(乐器)吹口；主要用于美式英语
网络: 代言人；吹嘴；烟嘴
（电话的）话筒:
the part of the telephone that is next to your mouth when you speak
（乐器的）吹口:
the part of a musical instrument that you place between your lips
喉舌；代言人；发言人:
a person, newspaper, etc. that speaks on behalf of another person or group of people
〈非正式〉发言人,代言人,喉舌,机关报
〈非正式〉辩护律师,刑事律师,主要用于美式英语
(乐器)吹口,(烟斗)吸口,(容器)口,(电话)话筒
复数：mouthpieces
n.spokespersonrepresentativeagentambassadordelegate
Cover the mouthpiece when you"re trying to hear your caller and you"ll stop the mixing.
当你试图听见对方电话的时候，盖住话筒，这样停止了声音的混合。
At times it has been a mouthpiece for the government; in other periods it took a strong line against the established powers.
有时它是政府的发言人；有时又态度强硬对抗既有势力。
I"m going to ask you to speak into the mouthpiece very clearly.
请你清楚地对着话筒说话
However huge the arm, it was fragile, and divers filled a balloon with air from a scuba mouthpiece to gently raise it to the surface.
这个胳膊体形巨大，但易碎。潜水员用自携式水下呼吸器把气球充满气，让它缓缓地把胳膊带到水面。
He was later found on the bottom, unconscious and with his mouthpiece out of his mouth.
结果后来在水底发现他，没有意识，管口从口中脱落。
It is often used in a negative sense, for example: "The Express is nothing but a mouthpiece for the purple party. "
通常具有负面的意味，例如：「『快报』就是一份只为紫营发声的报纸罢了」。
When Edison spoke into the mouthpiece, the sound vibrations of his voice would be indented onto the cylinder by the recording needle.
当爱迪生对着送话口说话时，唱针会将他的声音震动刻划在滚筒上，使其形成波纹。
For the Tories, it offers a way to discuss reducing spending without sounding as if they are merely the mouthpiece of the wealthy.
对于保守党而言，它可以让人们就削减财政支出展开讨论，而不会让人觉得自己无非是有钱人的传声筒而已。
He proposed the "national sentinel operational thinking" which is the "eyes and ears mouthpiece" of the inheritance and development.
他提出的“国家哨兵论”的办报思想，是对“耳目喉舌论”的继承和发展。
The company"s president is merely a mouthpiece for the board of directors which makes all the decisions in private meetings.
这家公司的董事会在私人聚会上制定所有的决策，总裁只是董事会的传声筒。