cracknel

例句：

1. 1.The cracknel in the wall made it difficult to paint over.
   墙上的裂缝使得油漆难以覆盖。
2. 2. He noticed a small cracknel in the corner of the room.
   他注意到房间角落有一个小裂缝。
3. 3. Repairing the cracknel in the roof was a costly project.
   修复屋顶上的裂缝是一项昂贵的工程。