special criminal case

例句：

1. 1.The police are investigating a special criminal case.
   警方正在调查一个特别刑事案件。
2. 2. This is a special criminal case that needs to be solved urgently.
   这是一个需要紧急解决的特别刑事案件。
3. 3.The investigation into this special criminal case has been ongoing for several months.
   对这起特别刑事案件的调查已经持续了几个月。