降雨

rén gōng jiàng yǔ

人工降雨

artificial rainfall

jiàng yǔ qiáng dù

降雨强度

rainfall intensity

lián xù jǐ zhōu chí xù jiàng yǔ

连续几周持续降雨。

The rain has been almost continuous for weeks.

sān yīng cùn jiàng yǔ liàng

三英寸降雨量

a three-inch fall of rain