1. 名詞
   擴音機, 揚聲器
   喇叭
   說話的人, 發言者
   講演者, 演說家
   練習演講用的範本
   a/an ...(語言) speaker/
   a speaker of ...(語言):
   說...的人
   /以上複數為"speakers"/
   限定單數the Speaker:
   

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   同義字詞
   chair,chairman,chairperson,moderator,president,presider
   mouthpiece,prophet,spokesman,spokesperson
   lecturer,orator
   

例句

1. Richard L. Evans is the speaker .
2. Christensen was a keynote speaker .
3. Bill was quite a prolific speaker and writer.
4. It is highly regarded by some speaker designers.
5. J.D. Ferguson was a guest speaker at the banquet.
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