名词
中文翻译：Unknown
同义词：
['tape', 'cassette', 'vidio', 'audio', 'phonograph']
例句：
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1. The recorder is used to play back the sound of a recording.
录音机用来播放录音的声音。
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2. She recorded her favorite songs on a cassette player.
她在卡式录音机上录制了她最喜欢的歌曲。
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3. The phonograph was invented by Thomas Edison in 1877.
留声机是由托马斯·爱迪生在1877年发明的。