奥运圣火在世界屋脊被点燃，多亏了高科技这一历史时刻被捕捉到了。
The Olympic flame was lit at the top of world, and thanks to technology, the historical moment has been captured.
在世界屋脊上修公路谈何容易，需要翻越多座横断山脉的大山和多条汹涌、刺骨的江河。
Easier said than done on building roads in the roof of the world, more than a dozen mountain range to climb the mountain and a number of rough, biting rivers.
比如不能择枝而栖，甚至连在草丛安家也成奢望的飞禽，只能在鼠洞里屈就，而其宿费就是在寒冬时节必须衔枝而归，这种鸟鼠同穴的景象只有在世界屋脊才能随处可见。
For instance, the birds who have no tree branches, or even plants, in which to make a nest have to compromise and to take shelter in rat holes, for which they must find some branches in winter time.
比如不能择枝而栖，甚至连在草丛安家也成奢望的飞禽，只能在鼠洞里屈就，而其宿费就是在寒冬时节必须衔枝而归，这种鸟鼠同穴的景象只有在世界屋脊才能随处可见。
For instance, the birds who have no tree branches, or even plants, in which to make a nest have to compromise and to take shelter in rat holes, for which they must find some branches in winter time.
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