一场长期的干旱严重破坏了当地的农业。

A prolonged ___drought has devastated the local agriculture.

该地区正在应对饥荒和干旱的双重挑战。

The region is grappling with the dual challenges of famine and ___drought.

科学家警告，气候变化可能会增加严重干旱的发生频率。

Scientists warn that climate change could increase the frequency of severe ___droughts.