名词
中文翻译：Unknown
同义词：
['radio microphone', 'wireless audio device']
例句：
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1. The event was live-streamed to a large audience via a wireless microphone.
该活动通过无线麦克风向大量观众现场直播。
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2. The singer used a wireless microphone to capture the audience's reaction.
歌手使用无线麦克风捕捉观众的反应。
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3. The engineer tested the wireless microphone for sound quality and connectivity.
工程师测试了无线麦克风的音质和连接性。