half flood

例句：

1. 1.The river is at its full flow during the summer months.
   夏天，这条河的水位达到最高。
2. 2. The town was devastated by the flood.
   这场洪水摧毁了小镇。
3. 3.Half a million people are affected by this flood.
   这一半百万人口受到这次洪水的影响。