名词
中文翻译：调解者
同义词：
['moderator', 'chairman', 'presiding officer例句：1. The moderator of the meeting was a respected expert in the field.（会议的主持人是一位在该领域享有盛誉的专家。）']
例句：
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1. The moderator of the meeting was a respected expert in the field.
会议的主持人是一位在该领域享有盛誉的专家。
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2. The moderator introduced the speaker before they began their presentation.
在演讲者开始之前，主持人介绍了他们。
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3.During the debate, the moderator kept the discussion on track by asking relevant questions.
辩论期间，主持人通过提出相关的问题来保持讨论的条理。