track collapse的用法和樣例：
例句
- Divers are searching the Mississippi River for people missing from the bridge collapse in Minneapolis.
潛水員們正在密西西比河上搜尋名尼阿波利斯城中橋梁塌陷的失蹤人員。 - He said rescue work was very likely to cause another collapse, which would put rescuers in danger.
他說(shuō)，營(yíng)救行動(dòng)很可能引起另外的塌陷，這就可能使營(yíng)救人員處于危險中。
