The rainwater washes them down the hillsides as far as the sea. 雨水把它们从山坡冲入大海
Stripped bare, the soil no longer absorbs the rainwater. 坦露在外的土壤无法吸收雨水
half of all the rainwater that falls, comes from clouds produced by the trees themselves. 有半数的降水被树木 再次转变成云和降水并循环使用
Here, rainwater from far and wide flows across the flat plains. 在这些平坦的草原上 四面八方的雨水汇聚在一起
Lechuguilla's rock had not been eaten away by running rainwater. 龙舌兰洞中的岩石并非被流水侵蚀
as each year rainwater eats away a little more limestone. 因为每年雨水都会侵蚀掉少许石灰岩
But the dissolving power of rainwater has other, much more dramatic effects underground. 不过在地下 雨水的溶解作用 还能产生其它更壮观的效果