文章列表

• 1.英语听力：自然百科 探索世界奥秘之Wild Africa - Deserts(浩瀚沙漠) Unit10
• Living underground, mole rats are sheltered from the Kalahari's worst extremes of temperature. We think of deserts as hot places. But nightly temperat...
• 2.英语听力：自然百科 探索世界奥秘之Wild Africa - Deserts(浩瀚沙漠) Unit09
• Its the wettest of all African deserts, the great Kalahari. The sands of the Kalahari cover more of southern Africa than any other desert. But the hig...
• 3.英语听力：自然百科 探索世界奥秘之Wild Africa - Deserts(浩瀚沙漠) Unit08
• Within a month, the spring blooms are finished. The plants now set their seeds, taking advantage of the warm summer winds which sweep the desert. For ...
• 4.英语听力：自然百科探索世界奥秘之Wild Africa - Deserts(浩瀚沙漠) Unit07
• In spring , the desert undergoes a remarkable transformation. For just a few weeks a year, the flowers of over 3, 000 different plant species turn thi...
• 5.英语听力：自然百科 探索世界奥秘之Wild Africa - Deserts(浩瀚沙漠) Unit06
• On certain nights, the secret is revealed. Warm, damp air moving in from the mid-Atlantic is transformed to fog as it crosses the cold coastal current...
• 6.英语听力：自然百科 探索世界奥秘之Wild Africa - Deserts(浩瀚沙漠) Unit05
• Each melon is a valuable package of moisture and seeds. The plant also benefits from this plunder as its seeds may be carried for fifty kilometers in ...
• 7.英语听力：自然百科 探索世界奥秘之Wild Africa - Deserts(浩瀚沙漠) Unit04
• With the spider exposed, it's now a battle between the wasp's paralyzing sting and the spider's jaws. But the wasp has quick reflexes. Cornered, the s...
• 8.英语听力：自然百科 探索世界奥秘之Wild Africa - Deserts(浩瀚沙漠) Unit03
• Pinning the ants to the hot sand surface, the spiders first cook them to death before dragging them under. In the Namib, even the toughest animals str...
• 9.英语听力：自然百科 探索世界奥秘之Wild Africa - Deserts(浩瀚沙漠) Unit02
• In this barren sea of sand, it's harder for larger animals to find enough to eat. You've got to be a real specialist, like the Namib sand snake. By si...
• 10.英语听力：自然百科 探索世界奥秘之Wild Africa - Deserts(浩瀚沙漠) Unit01
• Africa is dominated by deserts, from the Kalahari in the south to the mighty Sahara in the north. These are fascinating worlds, each one unique, all a...