文章列表

• 1.英语听力：自然百科 Earthquake 地震的危害
• April 18, 1906, California's San Andreas Fault snaps, shaking San Francisco for nearly 60 terrifying seconds .When the trembling stops, the disaster i...
• 2.英语听力：自然百科 Wolf Hunting Tactics 合作至上的狼群
• We are here in Yellowstone National Park to follow some grey wolves and observe the deadly brilliance of the pack. Theyve learned to cooperate, huntin...
• 3.英语听力：自然百科 Fighting Fire with Fire 以火攻火 保护森林
• It's been protected from human impact since 1909. With three million acres, nearly a half million under water, Superior National Forest is largely uns...
• 4.英语听力：自然百科 Coral Reefs 岌岌可危的珊瑚礁
• The waves of these azure seas hide an abundant treasure. Below the waves, coral reefs provide a habitat for teeming life, a life with a kaleidoscope o...
• 5.英语听力：自然百科 Vampire Bats 恐怖的吸血蝙蝠
• Here are some happy vampire bats. What's causing all this giddiness? A great, big, fat meal has arrived. You can practically hear these bats going Oh,...
• 6.英语听力：自然百科 Planetary Life After Death 浴火重生的行星
• Like a phoenix rising from the ashes, astronomers have found a whole new solar system may be forming in the wake of a star's violent death. This is th...
• 7.英语听力：自然百科 Farm Restoration 农场变湿地
• Dale Aden has been farming most of his life, just like his father, and his fathers father. I am a third generation farmer on this land. His land is in...
• 8.英语听力：自然百科 Mount Kilimanjaro 乞力马扎罗山
• It is called the Roof of Africa. Rising 19,340 feet nearly 4 miles into the sky, Mount Kilimanjaro is the highest point on the entire African continen...
• 9.英语听力：自然百科 Kenya's Aids Crisis 肯尼亚的艾滋病危机
• This is Kibera, a slum in Nairobi, Kenya, home to about 1 million people. These children play without a care, just as it should be, but their reality ...
• 10.英语听力：自然百科 Spacewalks 太空行走，看上去很美（F）
• From planetary orbit, the earth and heavens look serene. But the vacuum of space is a hostile environment, lacking oxygen and permeated by radiation. ...