This female has an unusual relationship with the forest. 白灵熊与森林有着非比寻常的关系

191. This annual feast helps her to fatten,
     一年一度的鲑鱼盛宴帮助它增肥
192. ready for the winter ahead.
     为即将到来的寒冬做准备
193. But it also helps the patch of forest where she lives.
     同时也有益于这片森林
194. This female has an unusual relationship with the forest.
     白灵熊与森林有着非比寻常的关系
195. Every fish carcass she leaves behind decays,
     白灵熊剩下的鲑鱼尸体会渐渐腐化
196. releasing nutrients that soak into the soil.
     释放营养物质渗入土地
197. And there...
     在土地之下

来自《行星地球 第三季 第五集 Planet Earth S03E05 森林》第 194 行