A cassette tape recorder can easily record sound on and play sound back from tape.
音机可以很容易地用磁带音和放音。
音；把球打回对方A cassette tape recorder can easily record sound on and play sound back from tape.
音机可以很容易地用磁带音和放音。
To record, press these two buttons together; then rewind, and then press the red button to play back.
要音就得一起按下这
个键, 而后倒回, 按下这个红键播放。
When I play back the text, please listen carefully to see whether there are any mispronunciations in it.
我放课文音时请仔细听着, 
有没有发音错误。
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