Extreme rainfall storm values are most important for determining design floods of large water resource projects.

暴雨极值是大型水利工程设计洪水重要依据之一。

youdao

Rainfall from a tropical storm dislodged the debris from the slopes of the volcano.

一场热带风暴带来的降雨把岩屑从火山坡上冲走了。

《柯林斯英汉双解大词典》

youdao

This cover acts as a giant sponge, absorbing rainfall and reducing polluted storm-water runoff.

FORBES: Magazine Article

So, it doesn't just take the winds, you still have to deal with the heavy rainfall and then the storm surge along the coast.

NPR: Hurricanes Wreak Havoc In Haiti And Cuba

The heavy rainfall -- particularly this storm had a lot of rain ahead of it as it was moving ashore -- the concern was where we could expect rainfall.

WHITEHOUSE: Press Briefing