名词
中文翻译：发射器
同义词：
['transmitter', 'transmitter例句：1. The radio is a transmitter that sends signals over the airwaves.（收音机是一个通过无线电波发送信号的发射器。）']
例句：
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1. The radio is a transmitter that sends signals over the airwaves.
收音机是一个通过无线电波发送信号的发射器。
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2.The satellite was designed to be a transmitter for communication satellites.
卫星被设计为通信卫星的发射器。
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3.The transmitter was responsible for converting the audio signal into a digital format.
发射器负责将音频信号转换为数字格式。