Perhaps such hunting alliances were once a common sight 或许这种事情曾经发生在印尼的大多数珊瑚礁中.

69. As the raiders scour the reef, more and more snakes join the hunt.
    有更多的海蛇加入进来一起扫荡珊瑚礁
70. This cooperation between snakes and fish,
    这种鱼蛇之间的合作
71. spectacular though it is, has only recently been observed, for it only happens on the most remote reefs in Indonesia.
    引人入胜.只是最近才被发现. 因为它发生在偏僻的印尼珊瑚礁
72. Perhaps such hunting alliances were once a common sight
    或许这种事情曾经发生在印尼的大多数珊瑚礁中.
73. but today no more than six percent of Indonesia's reefs are in their pristine state.
    但是到现在 只有不到6%的珊瑚礁还还保持着原始状态
74. Beyond the coral stretches a world of shifting sand.
    在珊瑚礁上,是流砂的世界
75. Out there with nowhere to hide survival is not easy
    这里无处可藏,要生存是很困难的事情

来自《行星地球 第一季 第九集 Planet Earth S01E09 海洋》第 72 行