collected rainwater收集起来的雨水
rainwater utilization雨水利用
Rainwater recycling雨水回收
roof rainwater屋面雨水
city rainwater城市雨水
RAINWATER HARVESTING雨水集蓄;雨水收获
rainwater leader水落管
rainwater infiltration雨水渗透
roofing rainwater屋面雨水
N-UNCOUNT(不可数名词) Rainwater is water that has fallen as rain. 雨水