But today, fish stocks are dwindling. 但如今鱼群萎缩
all fish stocks are threatened with exhaustion. 所有的鱼群都面临灭绝的危险
On the coastlines, signs of the exhaustion of stocks abound. 海岸线边 充斥种群灭绝的迹象
they have proliferated. Virtually exterminated the local fish stocks... 繁殖数量却已大大增长 几乎迫使本地鱼类灭绝
Fish and krill stocks are declining so rapidly that spectacles like this may soon be part of history. 鱼和磷虾的产量正在迅速减少 象这样的景象可能很快将成为历史
They nest alongside wood stocks in colonies thousands strong. 它们将巢建在树干上 一群多达好几千只