文章列表

• 1.英语听力：探索发现 科学新发现：我们的大气层-16
• The global average could be up 7 degrees F by the end of the century, wreaking havoc with weather patterns and habitats. We can't prevent climate chan...
• 2.英语听力：探索发现 科学新发现：我们的大气层-15
• But to fully forecast the floods, he needs a lot more atmospheric data. He believed robotic drone aircrafts developed for the military could continue ...
• 3.英语听力：探索发现 科学新发现：我们的大气层-14
• A single river can carry three times as much water as the entire Mississippi, they provide almost half the annual rain fall for parts of the American ...
• 4.英语听力：探索发现 科学新发现：我们的大气层-13
• The planet's rotation twists the air as it flows, helping form the hurricanes that lash the coasts. As moist air wells upwards, clouds become electric...
• 5.英语听力：探索发现 科学新发现：我们的大气层-12
• Our atmosphere is in constant motion; the moving air that causes our weather circulates between the ground and 50,000 feet. It is the sun that drives ...
• 6.英语听力：探索发现 科学新发现：我们的大气层-11
• The planet also began releasing oxygen, thanks to an ancient adoption of photosynthesis. A very ancestral primitive plant cell either engulfed or trie...
• 7.英语听力：探索发现 科学新发现：我们的大气层-10
• Evidence of the first oxygen in the atmosphere. The gas was released by a humble microscopic living organism called cyanobacteria. Well it turns out c...
• 8.英语听力：探索发现 科学新发现：我们的大气层-9
• We were left with this atmosphere made of molten rock and vaporous rock. It took millions of years for that atmosphere to fall out and to be replaced ...
• 9.英语听力：探索发现 科学新发现：我们的大气层-8
• Our planet was spared this fate. The magnetic field generated by the Earths core blocked the solar wind, preventing it from blasting away the fragile ...
• 10.英语听力：探索发现 科学新发现：我们的大气层-7
• To discover why these twin planets followed separate paths and to explore what gave us our precious atmosphere, we have to travel back, back four and ...