and they're cropped by green turtles. 它们成了绿海龟的食物
As one group of hunters searches the reef they're joined by the other. 它们也加入进来,开始扫荡珊瑚礁
and the polyps feed by snaring passing morsels with their tentacles. 珊瑚虫利用触手抓食经过它身边的食物
Our planet's continents are fringed by shallow seas. 我们陆地的边缘都是浅海域
only too easily upset and destroyed by that other great ape the chimpanzee's closest relative -- Ourselves. 大肆破坏雨林最终伤害到的另一种伟大猿类 就是黑猩猩的近亲--我们人类自己
These calls announce the start of a raid into land controlled by their neighbors. 这种声音是在宣布要去搜捕侵犯领土的邻居们了
and they were made by something big. 一定是一些大家伙弄出来的
By taking it's own air supply trapped in a bubble 它会带着一个空气泡泡
but that task is made easier by it's superior gliding skills. 利用它的滑翔技能完成这个任务相当简单