surface ships periscope

例句：

1. 3. 表面舰船，潜望镜同义词：1. surface ship, 2. submarine vessel, 3. underwater vessel例句：1. The surface ships are used for patrolling the seas.
   这些表面船只用于巡逻海域。
2. 2. The submarine vessel is equipped with a periscope to observe the underwater world.
   这艘潜艇装备有潜望镜来观察水下世界。
3. 3.The underwater vessel is designed to explore the ocean depths.
   这艘水下船只设计用来探索海洋深处。