failure of pit

• 坍塌

failure of pit的用法和样例：

例句

1. The walls of the building buckled during the fire.
   大楼的墙壁在火灾中坍塌了。
2. Were we in a tin cup on top of a busted rampart.
   我们是否在坍塌墙顶的一只锡杯中呆过。