最新15篇文章贯通英语四级词汇MP3Unit12-Part1

[00:12.03]The Duct Tape [00:14.00]Among the contents of [00:16.62]the toolboxes of most people [00:18.92]in the western world [00:20.23]you would expect to find [00:21.76]a hammer and nails, a drill, [00:24.17]screwdrivers and some screws. [00:26.47]

美国科学60秒 SSS 2012-10-29

When Pablo Panda Sandoval made history with 3 home runs in game one of the world series his head was probably buzzing. But when batters in chilly Detroit had the ball not quite right in the next couple of the nets, it will be their hands that buzzing

SSS 2009-05-21

This is Scientific American's 60-second Science. I'm Steve Mirsky. Got a minute? Can you name those notes? Probably not. Perhaps one in ten thousand speakers of European languages has perfect pitch - the ability to recognize a note without having hea

SSS 2009-05-22

This is Scientific American's 60-second Science. I'm Karen Hopkin. If you ever got picked on in the schoolyard, you might have wished for some sort of superpower, like unbeatable speed or maybe just the ability to completely disappear. Now scientists

最新15篇文章贯通英语四级词汇MP3 Unit12-Part1

[00:07.21]UNIT12 [00:12.03]The Duct Tape [00:14.00]Among the contents of [00:16.62]the toolboxes of most people [00:18.92]in the western world [00:20.23]you would expect to find [00:21.76]a hammer and nails, a drill, [00:24.17]screwdrivers and some s

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Scientists analyzed around 2,500 of those calls, and found that the second part (sound) is nearly identical in pitch every time from each whale: 16 hertz, or four octaves below middle C. And the slight variations in frequency that do exist are only a

60秒科学:Can Hybrid Cars Be Too Quiet?

Hybrid cars are good for the environment. But scientists say that they might be bad for pedestrians. Because hybrids are so quiet, it can be hard for walkers to hear them until its too late. Listen to this. [quiet car sound] Thats a Toyota Prius mov

60秒科学:Perfect Pitch Related to Language

Can you name those notes? Probably notperhaps one in 10,000 speakers of European languages has perfect pitch, the ability to recognize a note without having heard any reference note first. But theres a much better chance you could successfully name

60秒科学:Weak Have Stronger Hearing

If you ever got picked on in the schoolyard, you might have wished for some sort of superpower: like unbeatable speed or maybe just the ability to completely disappear. Now scientists at the College of Wooster in Ohio say that you might have had a s

SSS 2008-11-10

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Every year, scores of manatees are killed by boats in Floridas waters. Their plight is an ecological concern. And everyone from marine biologists to Marg

SSS 2009-05-13

This is Scientific American's 60-second Science. I'm Karen Hopkin. This will just take a minute. Hybrid cars are good for the environment, but scientists say that they might be bad for pedestrians. Because hybrids are so quiet that can be hard for wa

SSS 2010-11-17

We humans are pretty good at communicating with sounds other than words. But how much of this is hard-wired, and how much do we pick up from others? To find out, researchers recorded the nonverbal sounds of people born deaf, as they responded to a ra

SSS 2010-08-09

Blue whales off the California coast make calls that, sped up 10 times, sound like (sound of two-part call). The original is a wall-rattling frequency too low for us to hear. Scientists analyzed around 2,500 of those calls, and found that the second

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1. Emergency crews are on their way to South Texas as Erin approaches. The tropical storm is taking shape in the Gulf of Mexico, and forecasters predict it could reach land by tomorrow. Erin could bring heavy rains to a state that already has one of

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It is certainly a unique idea - an anonymous app that lets you chat from the toilet with others in a similar position. 有一款手机应用，可以让你在如厕时和其他正在上厕所的人进行匿名交流，这个创意不错吧？ Called

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