but in Southern Africa they're so big they create seas rich enough to support colonies of over a million seals. 不过在南部非洲的大洋流带来的 充足食物能满足百万只海豹的需要
It's actually two thousand separate reefs that together form a barrier stretching for over a thousand miles along Australia's northeastern coast. 大堡礁由超过2000个独立的珊瑚礁组成 绵延在澳大利亚东北部海岸,长度超过1000公里
On average, over two meters a year. 平均年降水量可达2米
it's not over until the fat frog stops singing. 雌蛙们不会停止移动 除非大雄蛙停止歌唱
yet they're home to over half of the world's species. 却汇集了世界上一半以上的物种.
After six months of drought, grass replaces dust over great areas. 六个月的旱季过后 如茵的绿草再一次覆盖了尘嚣大地
For months they've been scattered over huge areas, clinging to existence around tiny water holes. 这些动物曾接连数月 守着零落四方的小水坑 过着艰难的生活