that simply cannot survive without it. 没有淡水 便无法生存

220. Nearly 30 dolphins had to be rescued in one month alone.
     仅一个月便有近30只印度河豚陷入危险 不得不依靠救援
221. Freshwater is not only a resource for humans.
     淡水不仅是人类的资源
222. It is the home for countless species
     更是无数物种的家园
223. that simply cannot survive without it.
     没有淡水 便无法生存
224. Freshwater is the lifeblood of Planet Earth.
     淡水是地球的命脉
225. [Behind-the-Scenes Footage]
     [幕后花絮]
226. To film the story of the most endangered freshwater dolphin,
     为了拍摄最濒危的淡水河豚

来自《行星地球 第三季 第四集 Planet Earth S03E04 淡水》第 223 行