名词
中文翻译：重复器
同义词：
['repeater', 'repeating device', 'reproducing apparatus']
例句：
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1. The engineer used a repeater to fix the signal.
工程师使用一个重复器来修复信号。
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2. The radio station has several repeaters scattered across the area.
这个电台有好几个分布在该地区的重复器。
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3. The repeater was responsible for broadcasting the news from the base.
这个重复器负责从基地广播新闻。