同意一楼的理解,原文一定是打错了
injecting compressed are into the ground应该是 injecting compressed air into the ground
Somewhat more promising have been recent experiments for releasing capillary water(water in the soil) above the water table by injecting compressed are into the ground.
在一楼翻译的基础上稍加改进
最近一项前景比较看好的实验,将压缩空气注入地下,来释放地下水位以上的毛细水（即土壤中的水分）.