As one of the most widely used of manufactured materials, and certainly the most versatile, it can be as imposing as a telescope mirror the width of a tennis court or as small and simple as a marble rolling across dirt.
As one of the most widely used of manufactured materials, and certainly the most versatile, it can be as imposing as a telescope mirror the width of a tennis court or as small and simple as a marble rolling across dirt.
作为一种最广泛的使用是制造原料，并且的确十分万能，它能够像一个网球场宽的望远镜镜片那样壮观，或像在地上滚的弹珠一样小。