because, like its ancestors, 因为与其祖先一样

54. Living off modern-day California...
    在加利福尼亚海域
55. this is a rainbow nudibranch.
    如今生活着一种彩虹裸鳃
56. And its sluggish nature hides a sinister side...
    它缓慢的本性中 隐藏着邪恶的一面
57. because, like its ancestors,
    因为与其祖先一样
58. it's here to hunt.
    它在这里是为了捕猎
59. It's adapted to a life of predation.
    它适应了掠食的生活
60. And its prey of choice,
    它所选择的猎物是

来自《我们星球上的生命 第一季 第二集 Life on Our Planet S01E02 第一前线》第 57 行