mesh lines

例句：

1. 1. The engineer drew a grid of lines on the map to show the distribution of resources.
   工程师在地图上画了网格线来显示资源的分布。
2. 2.The scientist used a grid of lines to measure the distance between two points.
   科学家用网格线测量两点之间的距离。
3. 3. The carpenter carefully measured and marked the grid lines before starting the project.
   木匠在开始这个项目之前仔细测量并标记了网格线。