降雨量的用法和样例：
例句
-
伦敦的降雨量比曼彻斯特少。
It rains less in London than in Manchester. -
淋溶作用当降雨量超过蒸发量时，土壤中溶解或悬浮物的向侧面或向下的运动
The lateral or downward movement of dissolved or suspended material within soil when rainfall exceeds evaporation. -
每年平均降雨量是二十英寸。
The mean yearly rainfall is20 inches. -
年降雨量平均为36英寸。
The rainfall averages 36 inches a year.
