他买了一台新的盒式录音机。
每间教室都应配备一台盒式录音机。
Every classroom should be equipped with a cassette recorder.
盒式录音机可以很容易地用磁带录音和放音。
A cassette tape recorder can easily record sound on and play sound back from tape.
现在，盒式磁带录音机过时了。
要求你们把盒式磁带录音机还给系办公室。
You are asked to return the cassette tape recorders to the department office.
现在，盒式磁带录音机渐渐过时了。
现在，盒式磁带录音机渐渐过时了。
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