Raing兰
rainn.雨;雨水v.下雨;(雨点般)落下
rainfed farmland crop旱地作物
rain collection usage雨水集蓄利用
rain-yielding storm暴风雨
raindrop distribution雨谱特性
raindrop spectrograph雨滴谱仪
Rain began to drop.雨下起来。
rain leader downspout雨水立管
rainiall runoff model降雨径流模型
rain-proof equipment防雨设备
rain-intensity gauge降雨强度计