1、Some pyramids of Egypt contain the body of the Pharaoh.
某些埃及金字塔即是法老的陵墓。

2、The pyramids of Egypt were built more than three thousand years ago, and no one knows how.
埃及金字塔是3000多年前建造的，而且沒有人知道是怎么建造的。

3、The pyramids of Egypt are actually massive tombs.
埃及金字塔實際上是巨大的墳墓。