floods and droughts

• 水旱灾害

floods and droughts的用法和样例：

例句

1. The flood and drought each year brought incalculable damage to farmers.
   每年的水旱灾害都会给农民带来不可估量的损失。
2. The constant floods and droughts in the Yangtze and Huaihe river area during the Ming and Qing dynasties had resulted from the combined action of many elements.
   明清时期江淮地区水旱灾害的频繁发生是多种复杂因素共同作用的结果。