may live and die without ever having contact with humanity. 可以不受人类干扰地生存和死亡
Each may have just a single chance to impress a female. 只有一个机会来取得雌鸟的芳心
and may never visit the same patch of forest twice. 而且树林中同一地方它可能不会来第二次
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
Penguins may be featherweights by comparison 企鹅在海狗面前可能是轻量级选手
In temperate seas there may actually be more squid than fish. 在这块海洋里,鱿鱼实际上要比鱼类多.
Rarely more than two hundred meters deep they lie on the continental shelves which may stretch sometimes for hundreds of miles 它们挨着大陆架 很少地超过200米深, 大陆架有时可能延伸达几百英里
It may simply be a chance for some extra protein. 也可能是为了获得额外的蛋白质吧
It may be mud, but there's just nothing quite like it for enriching the blood. 虽然有些牙碜 不过到了血液里也就没什么了