aridness 

英汉解释

n. 干燥

同义词

n. aridity，thirstiness

参考例句

1. In this area , the ecological environment is very rigorous for living things, and aridness and wind and arid are main threats.
塔克拉玛干沙漠属极旱荒漠地区，生态环境十分严酷，干旱和风沙为害是最主要的生态环境问题。

英英解释

n.
  1. a deficiency of moisture (especially when resulting from a permanent absence of rainfall)

网络释义

aridness
干燥; 贫瘠;