WHAT is the most efficient shape for randomly packing things into a container?
把物体随机的放到一个容器里，物体什么形状能够放进得更多？
2
Water takes the shape of its container.
水盛在什么容器里就是什么形状。
3
A flexible container impinged upon by an outside force will change shape temporarily, but will spring back to its previous configuration shortly thereafter.