如这幅来自马达加斯加的图片显示，植树有助于保护水域。

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

youdao

如这幅来自马达加斯加的图片显示，植树有助于保护水域。

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

youdao