These usually solitary hunters 这些往往独自行动的狩猎者

47. The great whites are shrewd hunters and use whatever cover is available.
    大白鲨是高明的狩猎者 会利用一切可能的掩护
48. This shark won't need to eat for another few days.
    这条大白鲨几天内都不用进食了
49. But he's not alone.
    然而大白鲨可不止一条
50. These usually solitary hunters
    这些往往独自行动的狩猎者
51. are gathering in unprecedented numbers.
    正以前所未有的数量聚集
52. A dozen at a time.
    一次十几条
53. The seals are nimble...
    海豹虽然很灵活

来自《行星地球 第三季 第一集 Planet Earth S03E01 海岸》第 50 行