which are only a few centimetres across. 而它们的巢窝相隔不过几厘米远
like the Victoria giant water lily with leaves two metres across. 譬如有着2米宽叶子的王莲
rivers broaden and flow wearily across their flat flood plains. 河道变宽 河水缓缓流过 平坦辽阔的冲积平原
Rising in the Peruvian Andes, its main trunk flows eastwards across Brazil. 它发源于秘鲁安第斯山区 其干流穿越整个巴西
Each year nearly two million animals migrate across the Serengeti plains 每年都会有将近200万只角马 横越塞伦盖蒂平原
The Mara river, snaking across the plains of East Africa. 马拉河蜿蜒地穿过东非平原
and at its widest it's 17 miles across. 最宽的地方达17英里
Across the northern hemisphere salmon, returning from the ocean to their spawning grounds, 鲑鱼穿越整个北半球 从海洋回到它们的产卵地
For many this is their first journey across the Himalayas. 许多蓑羽鹤都是第一次 踏上穿越喜马拉雅的旅程