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																										- 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. 
																
							 
						 
					 
				 
			
			 
		
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