While Tim found that when he was performing a long music which was more than fifty minutes, his mother kept still without turning the tape.

可蒂姆发现，只要自己演奏较长的乐曲，有时明明超过了五十分钟，磁带早到了该翻面的时候，可母亲还看着自己一动不动。

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While Tim found that when he was performing a long music which was more than fifty minutes, his mother kept still without turning the tape.

可蒂姆发现，只要自己演奏较长的乐曲，有时明明超过了五十分钟，磁带早到了该翻面的时候，可母亲还看着自己一动不动。

youdao