grid side-rods

例句：

1. 1. The grid of the city is designed to prevent flooding during heavy rains.
   城市的网格设计是为了在大雨期间防止洪水。
2. 2. The engineer used a grid to create a stable foundation for the building.
   工程师使用网格为建筑创造了稳定的地基。
3. 3. The scientist discovered a new pattern in the grid of the galaxy.
   科学家在银河系的网格中发现了一种新图案。