Arid regions in the southwestern have become increasingly inviting playgrounds for the growing number of recreation seekers who own vehicles such as motorcycles or powered trail bikes and indulge in hill - climbing contests or in caving new trails in the desert 美国西部的不毛之地正成为玩耍的地方，对越来越多拥有摩托车或越野单车类车辆的，喜欢放纵于爬坡比赛或开辟新的沙漠通道的寻欢作乐者具有不断增长的吸引力。
2.
Arid regions in the southwestern united states have become increasingly inviting playgrounds for the growing number of recreation seekers who own vehicles such as motorcycles or powered trail bikes and indulge in hill - climbing contests or in caving new trails in the desert 美国西部不毛之地正日益成为寻欢作乐者梦寐以求的游乐场，而这些寻欢作乐者拥有摩托车或越野单车类车辆的、喜欢放纵于爬坡比赛或开辟新的沙漠通道。
3.
Arid regions in the southwestern united states hae become increasingly initing playgrounds for the growing number of recreation seekers who own ehicles such as motorcycles or powered trail bikes and indulge in hill - climbing contests or in caing new trails in the desert 美国西部的不毛之地正成为玩耍的地方，对越来越多拥有摩托车或越野单车类车辆的，喜欢放纵于爬坡比赛或开辟新的沙漠通道的寻欢作乐者具有不断增长的吸引力。
4.
Arid regions in the southwestern united states have become increasingly inviting playgrounds for the growing number of recreation seekers who own vehicles such as motorcycles or powered trail bikes and indulge in hill - climbing contests or in caving new trails in the desert 美国西部的不毛之地正成为玩耍的地方，对越来越多拥有摩托车或越野单车类车辆的，喜欢放纵于爬坡比赛或开辟新的沙漠通道的寻欢作乐者具有不断增长的吸引力。
