Monsoons shift away from normal watersheds.

季风性降雨偏离的正常流域。

Tree planting, as in this image from Madagascar, helps protect watersheds.

如这幅来自马达加斯加的图片显示，植树有助于保护水域。

Sixty-three pharmaceuticals or byproducts were found in the city's watersheds.

其中63%的药物或副产品是在该城市的分水岭发现。

Yet he also turned deserts into watersheds and parched land into flowing springs.

他又能使沙漠变成水源，使旱地变成水泉。