Not all deserts are hot. 沙漠并非都是炎热的 Fifty-mile-an-hour winds blowing in from Siberia 西伯利亚的寒风以50英里的时速 bring snow to the Gobi Desert in Mongolia. 夹杂着风雪横扫蒙古戈壁沙漠 From a summer high of 50 degrees centigrade 虽然夏季气温高达50℃ the temperature in midwinte...
Fifty-mile-an-hour winds blowing in from Siberia 西伯利亚的寒风以50英里的时速 bring snow to the Gobi Desert in Mongolia. 夹杂着风雪横扫蒙古戈壁沙漠 From a summer high of 50 degrees centigrade 虽然夏季气温高达50℃ the temperature in midwinter can drop to minus 40, 但是到了冬至却能降至零...
A third of the land on our planet is desert. 我们星球上1/3的陆地是沙漠 These great scars on the face of the Earth appear to be lifeless, 这些地球脸上的大伤疤看似毫无生机 but surprisingly none are. 然而令人吃惊的是并非如此 In all of them life manages somehow to keep a precarious ...
A third of the land on our planet is desert. 我们星球上1/3的陆地是沙漠 These great scars on the face of the Earth appear to be lifeless, 这些地球脸上的大伤疤看似毫无生机 but surprisingly none are. 然而令人吃惊的是并非如此 In all of them life manages somehow to keep a precarious ...
A third of the land on our planet is desert. 我们星球上1/3的陆地是沙漠 These great scars on the face of the Earth appear to be lifeless, 这些地球脸上的大伤疤看似毫无生机 but surprisingly none are. 然而令人吃惊的是并非如此 In all of them life manages somehow to keep a precarious ...
These great scars on the face of the Earth appear to be lifeless, 这些地球脸上的大伤疤看似毫无生机 but surprisingly none are. 然而令人吃惊的是并非如此 In all of them life manages somehow to keep a precarious hold. 在所有沙漠中 生命总能以某些方式闪现 Not all deserts are hot. 沙漠并非都是炎热的 ...
A third of the land on our planet is desert. 我们星球上1/3的陆地是沙漠 These great scars on the face of the Earth appear to be lifeless, 这些地球脸上的大伤疤看似毫无生机 but surprisingly none are. 然而令人吃惊的是并非如此 In all of them life manages somehow to keep a precarious ...
A third of the land on our planet is desert. 我们星球上1/3的陆地是沙漠 These great scars on the face of the Earth appear to be lifeless, 这些地球脸上的大伤疤看似毫无生机 but surprisingly none are. 然而令人吃惊的是并非如此 In all of them life manages somehow to keep a precarious ...
shows us once again how complex and surprising the underground world can be. 再一次向我们展示了地底世界 是多么的复杂和惊人 Each year explorers chart over a hundred miles of new cave passages. 每年 探险家们都会测绘 上百英里新的洞穴通道 But with half the world's limestone still t...
And the walls had one further surprise. 而石壁上还有更惊人的发现 Extremofile bacteria were found to be feeding on the rock itself. 嗜极细菌在岩壁上自我生长 The discovery of life that exists without drawing any of its energy from the sun 生命彻底脱离太阳能量 却依然生存的现象 shows u...