corner crack

例句：

1. 1. The corner of the building is starting to show signs of wear.
   这座建筑的一角开始出现磨损的迹象。
2. 2.The old car had a corner crack in the windshield.
   这辆旧车在挡风玻璃上有一个角落裂缝。
3. 3.Repairing the corner crack on the wall would require some sanding and painting.
   修复墙上那个角落裂缝需要一些砂磨和油漆。