track collapse

• 轨道塌陷

track collapse的用法和样例：

例句

1. Divers are searching the Mississippi River for people missing from the bridge collapse in Minneapolis.
   潜水员们正在密西西比河上搜寻名尼阿波利斯城中桥梁塌陷的失踪人员。
2. He said rescue work was very likely to cause another collapse, which would put rescuers in danger.
   他说，营救行动很可能引起另外的塌陷，这就可能使营救人员处于危险中。