No one is sure how the ancient Egyptians built the pyramids near Cairo.

没人知道古埃及人是如何在开罗附近建造金字塔的。

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One of the seven wonders of the ancient world was the Pyramids.

金字塔是古代世界的七大奇迹之一。

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The pyramids were built in ancient times.

金字塔建造于古代。

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The pyramids were built in ancient times.

金字塔建造于古代。

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