rainfall
英
/ˈreɪnfɔːl/
美
/ˈreɪnfɔːl/
n.
降雨量；下雨
复数： rainfalls
例句
There has been below average rainfall this month.
这个月的降雨低于平均降雨量。
In the middle to high latitudes rainfall has risen steadily over the last 20-30 years.
在过去二三十年里，中高纬度地区的降雨量持续增加。
Rainfall has been below average.
降雨量低于平均水平。
