duration of submergence tolerance of crop

例句：

1. 1. The ship sank due to thestrong storm.
   由于暴风雨的强烈，这艘船沉没了。
2. 2. The lake is at itsdeepest during the summer months.
   夏天的时候，湖面最深处。
3. 3. Theboat was submergedin the dark water.
   船在黑暗的水里沉没了。