If I doubled the area of the sheet, the stack would only compress by half as much.
如果将纸的面积扩大到原来的两倍，纸堆的收缩总量便缩小到原来的一半。
2
In the faint light of the attic, an old man, tall and stooped, bent his great frame and made his way to a stack of boxes that sat near one of the little half-windows.