but, like the fabled tortoise, their strategy is to be slow and steady. 不过它们的策略还是稳扎稳打
Vines and other climbers put all their energy into rapid vertical growth, rather than girth 蔓生植物和攀爬植物一样 把全部的力量用于垂直生长,而不是横向生长
At their peak, they support the greatest gatherings of wildlife found anywhere on Earth. 在其生长旺盛期 大草原能维系地球上最大的生命群落
but they have to change their behaviour if they are to gather what they need on the newly flooded plains. 但若想在这块刚被洪水淹没的草原上觅食 狒狒也得改变自己的习性
Relying on memory, the matriarchs lead their families to those special water holes that saved them in previous years. 领头的老雌象 凭着记忆 带领全家大小去寻找以前救过它们的水坑
These clouds drop all their water on the southern side of the mountains. 雨全都下在喜马拉雅山南边的山峰上
pikas never stray far from their burrows. 鼠兔从不敢远离自己的洞穴
They come and go as they please and much of their behaviour seems unfathomable to an outsider. 随兴而来随兴而去 对于外人来说 这些雌驴的脾性好像是不可捉摸的
Their parents lead them down to the safety of the water as soon as they're strong enough to make the journey. 它们强壮得可以旅行时, 父母马上就带着它们来到更为安全的水域