There has been below average rainfall this month.
这个月的降雨低于平均降雨量。
an average annual rainfall of 10 cm
10 厘米的年平均降雨量
1.下雨,雨量
1.the amount of rain that falls in a particular area during a particular period of time
1.The extent to which slight changes in rainfall could impact on rivers had never been realized before.
降水的微小变化究竟会对河流产生多大程度的影响，这一点此前从未被人们意识到。
2.The local weather station said the lowest temperatures are likely to appear early Wednesday, accompanying rainfall and strong winds.
当地气象台表示，最低温度很可能会出现周三的早些时候，并伴随降雨和强风。
3.Rainfall is one of the main dynamic input factors of flood forecasting and a prerequisite for ensuring forecasting accuracy.
降雨量是洪水预报的主要动态输入因素之一，是保证预报精度的前提条件。
4.A massive flood can be created by damming up one of these massive vapor rivers, causing huge amounts of rainfall to be dumped.
一场大规模洪水能够由倾泻这些大规模水蒸汽之河中的一个来产生，导致巨量的雨倾盆而下。
5.Your face still lightens up the shy in the night, your voice still rhymes the rainfall, and your hair still soften the wind.
你的脸仍然点亮夜空，你的声音仍然使落雨充满韵律，你的头发仍然让风变得轻柔。
6.It is a linear correlation between the total continued times of stemflow and that of rainfall.
一次树干茎流过程的总持续时间与降雨过程的总持续时间呈直线相关。
7.Temperature, sunlight, rainfall, which is often a turning point in the year, tends to rise or increase.
气温、日照、降雨，这时常处于一年中的转折点，趋于上升或增多。
8.The researchers say sunshine, temperature, rainfall and humidity seem to be factors.
学者称，阳光、温度、降雨和湿度都可能是造成这种效果的因素。
9.As a million years of rainfall will smooth the slope of a mountain summit, so do a million misplaced moments warp our good intentions.
如同百万年的降雨可以磨平高山之顶，百万次的错误也会歪曲我们的良好的初衷。
10.On the next page, if available, click one of the links named Average Rainfall to access the data for that location.
在另一个页面，如果可用的话，单击名为AverageRainfall的链接以访问相应位置的数据。