But they can only do so much. 但也无力回天

239. And then...
     然后
240. ..it rains.
     下雨了
241. The adults do what they can, bailing out their nests.
     成年火烈鸟尽其所能 把巢穴里的水舀出去
242. But they can only do so much.
     但也无力回天
243. The storm passes, but leaves devastation in its wake.
     风暴过去了 但只剩下满目疮痍
244. Most nests are submerged.
     大多数巢穴都被淹没了
245. The chicks are soaked and cold...
     雏鸟又湿又冷

来自《行星地球 第三季 第一集 Planet Earth S03E01 海岸》第 242 行