These sand scenes can be hundreds of miles across. 这些沙漠布景可宽达数百英里 In Namibia the winds have built some of the biggest dunes in the world. 在纳米比亚 风塑造了 一些世界上最大的沙丘 Star dunes like these can be 300 metres high. 这些巨型沙丘高达300多米 Grains, swept up the ...
In Namibia the winds have built some of the biggest dunes in the world. 在纳米比亚 风塑造了 一些世界上最大的沙丘 Star dunes like these can be 300 metres high. 这些巨型沙丘高达300多米 Grains, swept up the flanks, are blown off the crests of the ridges 斜坡上吹起的沙粒 在沙丘顶部的边棱处...
Reptiles have armoured scaly skins that protect them from the stinging grains. 爬行动物的皮肤覆盖着鳞甲 能抵御刺痛的沙粒 For insects the bombardment can be very severe indeed. 而昆虫则得遭受猛烈“炮火”的轰击 The only escape is below the surface. 唯一的藏身之处当然是在沙子下面 As the winds ...
For insects the bombardment can be very severe indeed. 而昆虫则得遭受猛烈“炮火”的轰击 The only escape is below the surface. 唯一的藏身之处当然是在沙子下面 As the winds rise and fall, swallow and eddy 随着风的起落、侵蚀和旋绕 so they pile the sand into dunes. 沙子被堆成了一座座沙丘 These sand...
The only escape is below the surface. 唯一的藏身之处当然是在沙子下面 As the winds rise and fall, swallow and eddy 随着风的起落、侵蚀和旋绕 so they pile the sand into dunes. 沙子被堆成了一座座沙丘 These sand scenes can be hundreds of miles across. 这些沙漠布景可宽达数百英里 In Namibia the wi...
As the winds rise and fall, swallow and eddy 随着风的起落、侵蚀和旋绕 so they pile the sand into dunes. 沙子被堆成了一座座沙丘 These sand scenes can be hundreds of miles across. 这些沙漠布景可宽达数百英里 In Namibia the winds have built some of the biggest dunes in the world....
but the dust can be blown 5,000 metres up into the sky. 但是尘埃却能被吹上5000多米高的天空 The ferocious wind, armed with grains of sand, 夹杂着沙粒的强风 is the agent that shapes all deserts. 塑造了各种沙漠地形 Reptiles have armoured scaly skins that protect them from th...
The ferocious wind, armed with grains of sand, 夹杂着沙粒的强风 is the agent that shapes all deserts. 塑造了各种沙漠地形 Reptiles have armoured scaly skins that protect them from the stinging grains. 爬行动物的皮肤覆盖着鳞甲 能抵御刺痛的沙粒 For insects the bombardment can be ...
is the agent that shapes all deserts. 塑造了各种沙漠地形 Reptiles have armoured scaly skins that protect them from the stinging grains. 爬行动物的皮肤覆盖着鳞甲 能抵御刺痛的沙粒 For insects the bombardment can be very severe indeed. 而昆虫则得遭受猛烈“炮火”的轰击 The only escape is ...
Sandstorms like these appear without warning 如此巨大的沙暴出现时毫无征兆 and reduce visibility for days over areas the size of Britain. 所到之处能见度骤降为零 几天内横扫的地区比英国还大 Dromedaries, single-humped camels, take these storms in their stride. 单峰驼——只有一个肉峰的骆驼 顶着沙暴大步...