is now crucial to most of the animals that live or even travel through this land. 如今已关系到大部分 在此生活和旅行的动物
they can travel widely in search of mates. 它们便能长途跋涉寻找配偶
it will travel hundreds of miles to the sea. 行程数百英里回到大海
and thousands of elephants have started to travel in desperate search for water. 数千头大象开始长途跋涉 不顾一切地寻找水源
Whole populations of animals are now forced to travel great distances in pursuit of food and warmth. 动物们成群结队踏上 寻找食物和温暖的长途旅程
You'll need to travel 500 miles south from here before that is possible. 由此往南500英里的地方 才有可能生长着树木
But the vast herds do not travel alone. 但是庞大的鹿群并非独自旅行
Some herds travel over 2,000 miles a year in search of fresh pastures. 有的鹿群一年得走上2000多英里 才能到达新鲜草场