1. The submergence of the city during the flood was devastating.
洪水期间城市的淹没是毁灭性的。

2. The submergence of the submarine was intentional for military purposes.
潜艇的沉没是为了军事目的而故意的。

3. The submergence of the sun below the horizon marked the end of the day.
太阳在地平线下沉没标志着一天的结束。

4. The submergence of the shipwreck was discovered by a team of divers.
一队潜水员发现了沉船的沉没。

5. The submergence of the ruins beneath the ocean fascinated archaeologists.
海底废墟的沉没让考古学家着迷。

6. The submergence of the submarine in the deep sea was a risky mission.
潜艇在深海中的沉没是一项冒险的任务。