那位教授提出了几种有价值的参考书。

The professor mentioned a few valuable reference books.

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那位收藏家买了批很有价值的画。

The collector bought a valuable collection of paintings.

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大众封那位科学家并不尊重，虽然他完成了有价值的科学研究。

The public misesteems the scientist, though he has done valuable scientific research.

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大众封那位科学家并不尊重，虽然他完成了有价值的科学研究。

The public misesteems the scientist, though he has done valuable scientific research.

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