又有两辆火车头到了，它们也开始推岩石。岩石移动了一点，而伦敦火车已经来到拐弯处了。
Two more engines arrived and they pushed too. The rock moved a little but the London train was coming round the corner.
一些科学家提出了一个理论：当地面很滑的时候，或许大风就可以移动岩石。
Some scientists theorized that perhaps when the ground is slippery the high winds can then move the rocks.
一直以来，人们苦苦思索埃及人是如何移动如此巨大的岩石的。
People have long puzzled over how the Egyptians moved such huge rocks.
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