你知道中国是世界上最古老的国家之一吗？

Did you know that China is one of the oldest countries in the world?

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中国是世界上最古老的国家之一，中国最先进入大一统的封建主义。

China is one of the most oldest countries around the world. . in. . all over.

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中国是世界上最古老的文明国家之一。

China is in the world one of most ancient civilized states.

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中国是世界上最古老的文明国家之一。

China is in the world one of most ancient civilized states.

youdao