bank caving

• 河岸淘空,岸塌,堤岸坍陷

bank caving的用法和样例：

例句

1. New measures have been taken to prevent caving.
   已经采取了新的措施来防止井塌。
2. A little earth from the bank crumbled off under his horse's hind hoofs.
   一片片尘土从那匹马的后蹄踩过的路堤上塌落下来。