名词
中文翻译：广播者
同义词：
['radio broadcaster', 'television broadcaster', 'speaker']
例句：
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1. The radio broadcaster was invited to give a speech at the conference.
那位电台播音员受邀在会议上发表演讲。
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2. The television broadcaster was asked to present a report on the latest news.
那位电视播音员被要求就最新新闻做报道。
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3. The speaker gave a compelling presentation about the importance of teamwork in achieving success.
演讲者就团队合作的重要性做了一次引人入胜的演讲。