flood-drought hazard的用法和樣例：
例句
- The flood and drought each year brought incalculable damage to farmers.
每年的水旱災害都會(huì )給農民帶來(lái)不可估量的損失。 - This paper built the Waterlogging and drought disaster database of Hengyang based on the long time sequenced Waterlogging and drought material.
依據長(cháng)時(shí)間序列水旱災害資料，現已建立衡陽(yáng)水旱災害數據庫。
