文章列表

• 1.英语听力：自然百科 已知的宇宙：外星生命 Alien_Contact-4
• Water allows the sand grains to flow to gather and intermingle and form more complex structures. In the same way, water acts like a cocktail mixer, al...
• 2.英语听力：自然百科 已知的宇宙：外星生命 Alien_Contact-3
• Those planets are all going to be so hot, and you cant develop something as complex as life. Scientists have gone back to the drawing board, looking t...
• 3.英语听力：自然百科 已知的宇宙：外星生命 Alien_Contact-2
• Are we alone ?And it ties into all the big questions: how do we get here ? where are we going ?Are we a part of a bigger picture? But for the longest ...
• 4.英语听力：自然百科 已知的宇宙：外星生命 Alien_Contact-1
• For thousands of years, weve wondered if we are alone in the cosmos. Life, is it a one-time event, or its something that's occurred lots of times thro...
• 5.英语听力：自然百科 北极海冰融化 海象上岸
• Extreme ice melting led to thousands of walruses making an unusual gathering on the barrier island in Alaska. Biologists with the U.S. geological surv...
• 6.英语听力：自然百科 海洋生物大揭秘
• The Census of Marine Life has released the most comprehensive inventory life in the ocean today. Its an unprecedented database of marine species livin...
• 7.英语听力：自然百科 海龟拯救行动
• Young loggerhead sea turtles routinely migrate thousands of miles. But these turtles are starting their migration a bit early while still in the egg. ...
• 8.英语听力：自然百科 神秘百慕大 bermuda triangle—16
• Unfortunately, the two airplanes were extremely similar, and even up till nowadays, they are still flying these airplanes, and there were literally th...
• 9.英语听力：自然百科 神秘百慕大 bermuda triangle—15
• The experiment proves that a rogue wave could have theoretically sunk the S.S.Poet. But Graber has spent 20 years studying this oceanic phenomenon. He...
• 10.英语听力：自然百科 神秘百慕大 bermuda triangle—14
• Hurricanes may have helped build the myth. But writer John Quiza believes they cant explain all of the disappearances. Anything can disappear in foul ...