名词
中文翻译：无线电发射机
同义词：
['radio transmitter', 'radio transmitter例句：1. The AM transmitter was used to send signals over the airwaves.（这个AM发射机被用来通过空中波传播信号。）']
例句：
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1. The AM transmitter was used to send signals over the airwaves.
这个AM发射机被用来通过空中波传播信号。
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2. The engineer had to replace the old AM transmitter with a new one.
工程师不得不用一个新的AM发射机替换旧的。
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3. The AM transmitter was responsible for broadcasting news and information during the day.
AM发射机负责在白天广播新闻和信息。