grid of mirrors

例句：

1. 1. The grid of the city is very dense.
   这个城市的网格非常密集。
2. 2. She used a grid to organize her books.
   她用一个网格来整理她的书。
3. 3. The engineers were working on a new grid design.
   工程师们正在研究一种新的网格设计。