Every year, over a trillion litres of water 每年 超过一万亿升水

66. the deer's desperate need for freshwater.
    鹿对于淡水的迫切需求
67. Freshwater transforms not only the lives of animals...
    淡水不仅改变了动物的生命轨迹
68. ..but entire landscapes.
    还改变了整片地貌
69. Every year, over a trillion litres of water
    每年 超过一万亿升水
70. flow into the Kalahari Desert.
    流入卡拉哈里沙漠
71. It has travelled a thousand miles from where it fell as rain.
    水流自降雨地流到此处已经穿越了近两千公里
72. And on arrival...
    水流的到来

来自《行星地球 第三季 第四集 Planet Earth S03E04 淡水》第 69 行