cysthus

例句：

1. 1.The sailors were lost at sea for two days.
   水手们在海上迷失了两天。
2. 2.The ship sailed across the maritime boundary.
   这艘船驶过了海洋边界。
3. 3.The maritime industry is booming in this region.
   这个地区的海事行业正在蓬勃发展。