rainwater

英文解釋：

名詞 rainwater:

1. drops of fresh water that fall as precipitation from clouds
   同義詞：rain

例句：

1. This material is impervious to rainwater.
   這種材料防雨。
2. The rainwater drips from the eaves.
   雨水從屋檐滴下。
3. We had to slake ourselves with rainwater in the desert.
   在沙漠中我們不得不用雨水解渴。
4. He erected some contrivance for storing rainwater.
   他裝設了一種貯存雨水的器具。