aridness

例句：

1. 1. The desert climate is characterized by extreme heat and little rainfall.
   沙漠气候特征是极端的高温和少雨。
2. 2. The region has been affected by the recent drought, leading to water shortages.
   该地区最近遭受了干旱的影响，导致水资源短缺。
3. 3. The arid landscape has made it difficult for plants to grow, affecting the local ecosystem.
   干旱的景观使得植物难以生长，影响了当地的生态系统。