Flood and Drought Calamities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給農民帶來不可估量的損失。 - Drought and flood disaster are the most serious natural calamities in Ningbo.Especially, flood, waterlogging and typhoon calamities cause increasing economic loss in this city.
摘要水旱災害是寧波市最為嚴重的自然災害，特別是洪澇台災害已成為該市自然災害中經濟損失增長最快的自然災害。
