the chemistry of submerged soils

例句：

1. 1.The ship sank into the depths of the ocean.
   这艘船沉入了大海深处。
2. 2. The floodwaters submerged the entire town.
   洪水淹没了整个城镇。
3. 3.The coral reefs are submerged in the deep blue sea.
   珊瑚礁被深蓝色的海水所覆盖。