this community of chimps is the biggest yet found in Africa. 这个群落是迄今在非洲发现的最大的黑猩猩群落
and continue to sustain the biggest herds on Earth. 草便又继续维系着地球上 最大的动物群落的食物需要
the giant saguaros, one of the biggest of all cacti, 巨大的弁庆柱 ——一种世界上最大的仙人掌
In Namibia the winds have built some of the biggest dunes in the world. 在纳米比亚 风塑造了 一些世界上最大的沙丘
and the biggest source of sand and dust in the entire world. 也是全世界最大的沙尘源
Their biggest problem is the lack of water, 它们最大的困难莫过于缺水
But even that was not going to be the biggest surprise. 即便如此 这也不能算是最大的惊奇
but the biggest surprise is something altogether more bizarre. 不过更大的惊奇莫过于 那些更奇怪的东西
These Bornean caves are among the biggest in the world 婆罗洲的这些洞窟是世界上最大的洞穴
This is the biggest underground river passage in the world, 这是世界上最大的地下河通道