科学家们展示了如何将球放在木质的轨道槽内，然后将重达数吨的石头轻易移动起来。
Scientists showed how balls placed in grooved wooden tracks would have allowed the easy movement of stones weighing many tons.
生鱼会以这种方式被保存数周，之后，石头被移走，转而压上一些较轻的覆盖物。
The fish would remain this way for weeks at which the stone would be removed and then replaced with some type of light cover.
这块大石头重达数吨，假如没有许多人一起用力，怎么能把它抬到这个地方上去呢？
How could this rock, which weighed several tons, have been lifted to this spot, without the aid of many men?
应用推荐