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)