bound hole

例句：

1. 1. The engineerfound a bound hole in the wall that needed to be repaired.
   工程师发现墙上有一个需要修补的边界孔洞。
2. 2.The team was able to find a bound hole where they could move their equipment without disturbing others.
   团队能够找到一个边界孔洞，以便他们移动设备而不打扰其他人。
3. 3.The researcher discovered a bound hole in the data that could help them understand the underlying patterns.
   研究人员在数据中发现了边界孔洞，这有助于他们理解背后的模式。