drought - flood coexistence的用法和樣例：
例句
- Completion of this work will remove the threat of drought and water-logging.
完成了這項工程，將消除旱澇威脅。 - In the United States, cycles of rain and drought seven years ago permitted a deadly form of pulmonary hantavirus, carried by mice, to flourish in the Southwest.
在美國，七年一次的旱澇周期循環，使一種由老鼠傳播的肺漢灘川病毒在西南部猖獗起來。
