名词
中文翻译：演讲者
同义词：
['speaker', 'orator', 'speaker of the house']
例句：
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1. The speaker wasinvited to give a speech at the conference.
演讲者受邀在会议上发表演讲。
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2.The orator's speech was highly praised by the audience.
这位演说家的演讲受到了观众的高度评价。
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3. The speaker of the house made a significant announcement regarding the upcoming election.
众议院发言人就即将到来的选举发表了重要声明。