audiotapes

Our raw materials were audiotapes and transcripts of a large.

我们的原始材料是一些录音带和.

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With both, I was listening to audiotapes within weeks.

依靠这两个植入物, 我每周都能听磁带.

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Audiotapes are a good alternative.

听录音磁带是一种很好的选择.

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