动词短语
中文翻译：保持无线电频道同义词
同义词：
['hold the radio', 'keep the radio on']
例句：
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1. Please hold the radio while I'm on the phone.
请在我打电话时保持收音机开启。
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2. The policeman held the radio to his ear and listened for instructions.
警察用收音机倾听指令。
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3. We need to hold the radio in case we get a call from the station.
我们需要保持收音机开启，以防接到电台的呼叫。