干燥

例句：

1. 1. The leaves are starting to turn yellow and dry out.
   树叶开始变黄并变得干燥。
2. 2. The ground is too dry for the plants to grow.
   地面太干，植物无法生长。
3. 3. The air is so dry that it's hard to breathe.
   空气如此干燥以至于难以呼吸。