They then builtthesand pit initially with bricks, covered the bricks with concrete and then put small stones into the concrete to keep the natural appearance.
然后就是用砖块做沙坑,为了保持自然形态,在砖头上浇注了混凝土并铺上小石子。
2
Dependence on long-distance trade also meant that the great empires of the Middle East were built both literally and figuratively on shifting sand.
对长途贸易的依赖也意味着,伟大的中东帝国无论是实际上还是象征意义上,都是建立在流沙之上的。
3
He refers to the story from the Sermon on the Mount about how houses built on sand fall, while those built on rock remain standing.