flood-drought hazard

• 水旱灾害

flood-drought hazard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. This paper built the Waterlogging and drought disaster database of Hengyang based on the long time sequenced Waterlogging and drought material.
   依据长时间序列水旱灾害资料，现已建立衡阳水旱灾害数据库。