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Scientific American 60 Second Science听抄(有音频文件) [复制链接]

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发表于 2007-7-18 01:50:01 |显示全部楼层
呵呵,捡了个现成的,把楼上的都综合起来了,并参照zhenzhen的做了修改。

on xbx_lee,ericasamaki

2007-07-17

When it comes to locomotion, being bipedal is not a bad way to go. This week a team of researchers reports that human spend only about a quarter of the energy walking on two legs that chimps spend knuckle-walking on all fours. The scientists, led by Herman Pontzer of Washington University in St. Louis, measured the amount of oxygen (大写,小写?)consumed (拼写)as their subjects walked on a treadmill. They found that chimps took in about the same amount of oxygen (同前)whether they were galloping on all fours or waddling upright. But human volunteers, pound for pound, were more efficient than the chimps. The results appeared in the current issue of the Proceedings of the National Academy of Sciences. One of the chimps, a 33-year-old female, was actually more efficient tooling along on two legs than she was knuckle-walking on four. This particular (拼写)ape had a longer stride than the other chimps and being able to get where you want to go using fewer steps translates into less energy expenditure. That kind of energy conservation could be what prompt our human ancestors to stand up and stroll on their own two feet. You might even say that walking upright was a gateway of evolution (不确定).


有两处拼写错误。
还有oxygen应该不用大写吧。
最后一个不知道是revolution还是evolution,听上去差不多,不过从意思上来讲,好像evolution更贴切一点。

[ 本帖最后由 kelediguo 于 2007-7-18 01:56 编辑 ]

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发表于 2007-7-18 08:17:01 |显示全部楼层

回复 #1095 kelediguo 的帖子

:)

This is pretty close except two minor errors:

That kind of energy conservation could be what prompted our human ancestors to stand up and stroll on their own two feet. You might even say that walking upright was our gateway of evolution.
https://bbs.gter.net/thread-654238-73-1.html

正确听力方法请参见724,698,635搂  

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发表于 2007-7-18 08:22:16 |显示全部楼层
我也练练!

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Taurus金牛座 荣誉版主

发表于 2007-7-18 08:39:57 |显示全部楼层
July 17

Based on kelediguo

When it comes to locomotion, being bipedal is not a bad way to go. This week a team of researchers reports that human spend only about a quarter of the energy walking on two legs that chimps spend knuckle-walking on all fours. The scientists, led by Herman Pontzer of Washington University in St. Louis, measured the amount of oxygen consumed as their subjects walked on a treadmill. They found that chimps took in about the same amount of oxygen whether they were galloping on all fours or waddling upright. But human volunteers, pound for pound, were more efficient than the chimps. The results appeared in the current issue of the Proceedings of the National Academy of Sciences. One of the chimps, a 33-year-old female, was actually more efficient tooling along on two legs than she was knuckle-walking on four. This particular ape had a longer stride than the other chimps and being able to get where you want to go using fewer steps translates into less energy expenditure. That kind of energy conservation could be what prompted our human ancestors to stand up and stroll on their own two feet. You might even say that walking upright was our gateway of evolution .


[ 本帖最后由 H-Kevin 于 2007-7-18 08:49 编辑 ]

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发表于 2007-7-18 09:51:56 |显示全部楼层
原帖由 zhenzhen_163 于 2007-7-18 08:17 发表
:)

This is pretty close except two minor errors:

That kind of energy conservation could be what prompted our human ancestors to stand up and stroll on their own two feet. You might even  ...



Thanks again!:handshake

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发表于 2007-7-18 10:11:26 |显示全部楼层
Great, we get faster and faster now!
Every time when I want to post something, I found it's already finished!
三十追梦QQ群:25378202(行地无疆)

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发表于 2007-7-18 10:43:24 |显示全部楼层
zhenzhen is so coooooooool...

And Kevin's shall be the best one till now.

Thanks for everybody.

Let's move on.
生活中不是缺少奇迹,而是缺少发现。

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发表于 2007-7-18 10:45:48 |显示全部楼层
不错,告诉我地址,我们一起听

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发表于 2007-7-18 10:53:55 |显示全部楼层
This week a team of researchers reports that human spend only about a quarter of the energy walking on two legs that(that指代啥?) chimps spend knuckle-walking on all fours.

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发表于 2007-7-18 12:32:10 |显示全部楼层

回复 #1103 AllenTing 的帖子

the energy.

An example:

I spent half of the money (that) she did for the same dress.
https://bbs.gter.net/thread-654238-73-1.html

正确听力方法请参见724,698,635搂  

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发表于 2007-7-18 12:49:09 |显示全部楼层

回复 #1101 xbx_lee 的帖子

But Kevin's version still has one serious problem:   :)

This particular ape had a longer stride than the other chimps and being able to get where you want to go using fewer steps translates into less energy expenditure.

He did not parse these sentences correctly. In top down processing, we parse sentences primarily by meaning; not by whether there is a long pause between the preceding sentence and the ensuing sentence. There are two sentences here. The second sentence—And being able to get where you want to go using fewer steps translates into less energy expenditure—brings up a new concept which is part of the speaker’s concluding remarks. Without correct parsing, you run substantial risks of misunderstanding the speaker; which in certain cases is worse than not understanding him or her at all.

Please refer to my post, #1094 and kelediguo’s post, #1095.

[ 本帖最后由 zhenzhen_163 于 2007-7-18 12:57 编辑 ]
https://bbs.gter.net/thread-654238-73-1.html

正确听力方法请参见724,698,635搂  

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发表于 2007-7-18 13:24:32 |显示全部楼层

回复 #1105 zhenzhen_163 的帖子

Thank you so much. I have to admit I didn't read Kevin's post word by word and took it for granted he was really "based on kelediguo".

I read your #1094 post, and found your suggestions always incisive(may be most incisive).

Many thanks to you. I enjoy the top down processing although mistakes still come out once in a while.

Without you, the group here would undoubtedly pale in comparison to what we really are in.
生活中不是缺少奇迹,而是缺少发现。

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发表于 2007-7-18 14:14:30 |显示全部楼层

July 18, 2007: 60-Second Science

In 1986, the explosion of Chernobyl nuclear power plant blacked the surrounding area with radioactive fall out. Now scientists began to track that disaster and told to add new victim to their list--birds that live near the reactor. The interesting thing is, not all birds near Chernobyl decimated by radio activity, only those of bright color, migrating long distances, or laying big eggs. All of these require antioxidant molecules. The researchers examined birds from 57 species. They found those bright plumages such as oil or blue tats were harder hit by radiation than their dread neighbors such as cold black tail finches. The same is true that tend to travel likely to lay large eggs. That pattern suggests the antioxidant molecules play an important role in helping birds handle radio activity, because antioxidants can protect animals against nasty chemicals like those spilled from the damaged reactor. But bright color birds use these antioxidants to produce fresh green, yellow or orange pigments. So Chernobyl may be a bright bus for birds, or being in dull is the thing to do.

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发表于 2007-7-18 14:55:03 |显示全部楼层

July 18, 2007: 60-Second Science - Colorful Birds Feel Chernobyl Damage More

In 1986, a explosion at the Chernobyl nuclear plant blanked the surrounding area with radioactive fallout. Now scientists who've been tracking that disaster's toll have added a new victim to their list - birds that live near the reactor.

The interesting thing is not all the birds near Chernobyl have been decimated by radioactivity, only those that are brightly colored, migrate long distance, or lay eggs, all of which require antidioxidant molecules. The researcher examined birds from 57 species. They found that those with brighter plumage such as xxx or xxx were harder hit by radiation than their drab neighbors such as xxx and xxx. The same was true for birds that tend to travel a lot to lay large eggs. That pattern suggests that antioxidant molecules play an important role in how birds handle radioactivity, because antioxidant can protect animals against nasty chemicals like those that are spelt from damaged reactor. But brightly colored birds use up their antioxidants in producing those flashy red, yellow, and orange pigments. So the Chernobyl meltdown may bring bright a buster for birds, while being dull is the thing to do.


[ 本帖最后由 Visorz 于 2007-7-18 14:56 编辑 ]

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发表于 2007-7-18 15:00:32 |显示全部楼层
#1107
In 1986, the explosion of Chernobyl nuclear power plant blacked the surrounding area with radioactive fall out. Now scientists began to track that disaster and (who have been tracking )told to add new victim to their list--birds that live near the reactor. The interesting thing is, not all birds near Chernobyl decimated by radio activity, only those of bright(those who are brightly) colored, migrating(migrate) long distances, or laying(lay) big eggs. All of these(which) require antioxidant molecules. The researchers examined birds from 57 species. They found(+that) those bright plumages such as oil or blue tats were harder hit by radiation than their dread neighbors such as cold black tail finches(such as orioles and blue tits, were harder hit by radiation than their drab neighbors, such as coal tits and chaffinches.). The same is(was) true (for birds)that tend to travel likely to lay large eggs. That pattern suggests the antioxidant molecules play an important role in helping birds handle radio activity, because antioxidants can protect animals against nasty chemicals like those spilled from the damaged reactor. But bright  color(brightly colored) birds use (+up) these antioxidants to produce fresh green(producing flashy, red), yellow or orange pigments. So Chernobyl(+melt-down may being) may be a bright bus for birds, or being in dull is the thing to do.

Now you can go on with this:

In 1986, an explosion of the Chernobyl nuclear power plant blanked the surrounding area with radioactive fallout. Now scitists who have been tracking that disasters told to add new victim to their list-- birds that live near the reactor. The interesting thing is not all the birds near Chernobyl have been decimted by radioactivity, only those who are brightly colored, migrate distances or lay big eggs, all of which require antioxidant molecules. The researcher examined birds from 57 speices. They found that those with brighter plumage, such as orioles and blue tits, were harder hit by radiation than their drab neighbors, such as coal tits and chaffinches. The same was true for birds to tent to travel likely to lay large eggs. That pattern suggests that antioxidant molecules play an important role in help(听到是help但语法上应该是helping) birds handle radioactivity. Because antioxidants can protect the animals against nasty the chemicals like those spilled from the damaged reacotor. But brightly colored birds use up their entire antioxidants producing those flashy, red, yellow and orange pigments. So the Chernobyl melt-down may being bright of bus (not sure.means what??)for birds, or being dull is the thing to do.


[ 本帖最后由 dcb 于 2007-7-18 15:14 编辑 ]

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RE: Scientific American 60 Second Science听抄(有音频文件) [修改]

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