suncrack

例句：

1. 1.The old building had several suncrack in the walls.
   这座旧建筑的墙上有几个裂缝。
2. 2.He carefully inspected the suncrack on the roof before repairing it.
   他在修理屋顶之前仔细检查了屋顶上的裂缝。
3. 3.The crack in the wall was caused by a sudden shift in the foundation.
   墙壁上的裂缝是由于地基突然移位造成的。