coastguard vessel

例句：

1. 1.The coast guard vessel was used to search for lost sailors at sea.
   海岸警卫队的船只被用来在海上搜寻失踪的水手。
2. 2.The coast guard vessel was equipped with advanced surveillance technology.
   海岸警卫队的船只配备了先进的监视技术。
3. 3. The coast guard vessel was a vital tool in the search and rescue mission.
   海岸警卫队的船只是搜索和救援任务中不可或缺的工具。