下雨量 meaning in Chinese

precipitation
rainfall

Trees were traditionally cut down for firewood or cleared for agriculture . instead of clearing trees , farmers began to let them grow among their crops . at the same time , rainfall levels began to rise after a long dry period . today the rate of desert expansion in niger is dropping and the amount of harvested crops is up
树木传统上是被砍伐用来柴火或者被清除用做农艺上用.将清除树木的方法所代替,农民们开始让树木在他们的农作物中生长.与此同时,在上时间干旱之后,下雨量的水平开始上升.现在在尼日尔沙漠化扩张的速度正在下降并且丰收的农作物的数量正在上升