文章列表

• 1.英语听力：自然百科 海洋生物大揭密
• The Census of Marine Life has released the most comprehensive inventory life in the ocean today. It's an unprecedented database of marine species livi...
• 2.英语听力：自然百科 地球立场
• The solar system is a hostile place. Earth is under attack from deadly cosmic radiation. Life here is only possible because it is protected by the mag...
• 3.英语听力：自然百科 春秋分
• Twice a year, day and night, fall into balance, lasting for nearly equal length. Known as equinoxes, Latin for equal night, they occur in March and Se...
• 4.英语听力：自然百科 平行宇宙(12)
• Wit M Theory, it seemed at last there was a theory which might explain everything in the universe. But before they could decide if this was true, the ...
• 5.英语听力：自然百科 平行宇宙(11)
• In effect, our entire universe is a membrane. The quest to explain everything in the universe could begin again and at its heart would be this new the...
• 6.英语听力：自然百科 平行宇宙(10)
• Well it was a wonderful feeling to think that all those years spent in the eleventh dimension will not completely wasted. 这是一种奇妙的感觉,这些年花...
• 7.英语听力：自然百科 平行宇宙(9)
• In a final desperate move, the String Theories tried adding one last thing to their cherished idea. They added the very thing they had spent a decade ...
• 8.英语听力：自然百科 平行宇宙(8)
• The equations of super gravity took their simplest and most elegant form when written in this eleven dimensional framework. 超重力方程式以最简单、最优...
• 9.英语听力：自然百科 平行宇宙(7)
• It was a very lonely time in many ways. When I tried to get graduate students interested, many of them would say well look, you may be right and you m...
• 10.英语听力：自然百科 平行宇宙(6)
• When String theory fell apart, not everyone was distraught. Some people even seem to relish the fact. 当弦理论破裂时,不是每个人都心烦意乱。有些人甚至...