Living up to 80 years they grow into giants. 它们能活80多年 因此长得十分巨大

44. They're the only large predator in these icy waters.
    它们是这些冰水中唯一的大型掠食动物
45. They begin their hunt at night.
    夜幕降临 它们开始捕猎
46. These salamanders have an exceptionally slow metabolism.
    大鲵的新陈代谢十分缓慢
47. Living up to 80 years they grow into giants.
    它们能活80多年 因此长得十分巨大
48. The fish they hunt are scarce
    可供大鲵捕食的鱼非常稀少
49. and salamanders have poor eyesight.
    而且它们的视力也很差
50. But sensory nodes on their head and body
    可是它们头上和身上的感官突起

来自《行星地球 第一季 第三集 Planet Earth S01E03 淡水》第 47 行