降雨量的用法和樣例：
例句
-
倫敦的降雨量比曼徹斯特少。
It rains less in London than in Manchester. -
淋溶作用當降雨量超過(guò)蒸發(fā)量時(shí)，土壤中溶解或懸浮物的向側面或向下的運動(dòng)
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. -
年降雨量平均為36英寸。
The rainfall averages 36 inches a year.
