短语词组短語aridity index 燥指數;乾燥度;乾旱指數aridity prototype 乾旱祭祀原型aridity area 乾旱區aridity pump 脫水泵recurrent aridity 反複乾旱aridity coefficient [氣候]乾燥系數;乾燥系數aridity factor 乾燥因子aridity boundary [氣候]乾燥界限aridity peak 乾旱峰值 返回 aridity