Young Bill, the middle child, was a diligent learner, reading a whole set of encyclopedias.

排在中间的盖茨学习非常勤奋，曾从头到尾读完了一整套大百科全书。

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Young Bill, the middle child, was a diligent learner, reading a whole set of encyclopedias.

排在中间的盖茨学习非常勤奋，曾从头到尾读完了一整套大百科全书。

youdao