名词
中文翻译：演讲者
同义词：
['speaker', 'spokesperson', 'orator']
例句：
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1. The speech head was thekeynote speaker at the conference.
演讲者是会议的主旨发言人。
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2. Thespokesperson for the company deniedthe allegations.
公司的发言人否认了这些指控。
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3. The orator spoke passionately about the importance of education.
这位演说家热情地谈论了教育的重要性。