Grasslands occur where rain is too sporadic for forests to exist. 降雨量不足以养育森林时就会出现草原
where spectacular gatherings of wildlife cope with extreme change... 壮观的野生动物群在那里适应着极端的变化
where the sand grains are so perfectly dry and polished, 沙粒干燥光滑的地区
because the pools where he's come from have already dried up. 因为他所在地方的水源已经完全干涸
The older females can remember where, 年长的母象能记住哪些地方
where temperatures rise to 50 degrees Centigrade. 气温高达50摄氏度
Where there's no escape from sun, wind and dust. 没有什么能阻挡烈日 狂风与沙尘
...the top of this flower, where the sweet nectar is produced. 也就是这种花朵基部的蜜腺
Earth is the only planet we know of where life exists. 地球是人类已知的唯一存在生命的星球
...where the battle for survival is at its most intense. 那里的生存之战最为激烈