好词典
mouthpiece
UK //ˈmaʊθpiːs//US //ˈmaʊθpiːs//
词源
源自中古英语，由mouth（嘴）和piece（部件）组成，字面意思为'嘴部的部件'。
noun
❶ 指乐器上接触嘴唇的部分，如单簧管或小号的吹口，演奏时通过吹气发声。
“He cleaned the mouthpiece of his trumpet before playing.”
（他在演奏前清洁了小号的吹口。）
“The saxophone mouthpiece affects the sound quality.”
（萨克斯管的吹口会影响音质。）
❶ 指电话、麦克风等设备中靠近嘴部的部分，用于接收声音。
“He spoke directly into the mouthpiece of the phone.”
（他直接对着电话的送话口说话。）
“The microphone mouthpiece was covered with a foam filter.”
（麦克风的送话口覆盖了泡沫滤网。）
❶ 比喻为某人或某团体发声的人或媒体，常带有代言人或宣传工具的含义。
“The newspaper became the mouthpiece of the political party.”
（这份报纸成了该政党的喉舌。）
“He was seen as the mouthpiece for the environmental group.”
（他被视为环保组织的代言人。）
同义词:spokesperson, representative, speaker, advocate, instrument
常见短语
act as a mouthpiece — 指代表某人或某组织发表意见，通常带有传达他人观点的意味。
“The lawyer acted as a mouthpiece for his client during the trial.”
（律师在审判中代表他的当事人发言。）
official mouthpiece — 指被官方认可的传播渠道或发言人，常用于描述政府或机构的宣传媒介。
“The newspaper is considered the official mouthpiece of the ruling party.”
（该报纸被视为执政党的官方喉舌。）