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(单词翻译)
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?
For some reason, every year a few dozen runners dash from southern Italy all the way to the North Cape1 of Norway, in what's called the TransEurope-FootRace. It takes about two months to cover the almost 2,800 miles, about 45 miles a day.
In the 2009 edition, 44 of the 66 participants allowed themselves to be examined medically throughout. The findings were presented November 29th at the annual meeting of the Radiological Society of North America in Chicago. And some of the discoveries may be of use to the less ambitious2 among us.
Muscle volume of the legs actually went down 7 percent because of the incredible3 energy consumption4 of the daily distances. And some leg injuries were found to be safe to run through. It was okay to keep going with simple leg muscle inflammation, for example. But other overuse injuries, like joint5 inflammation, carried a greater risk of worsening. Runners lost 40 percent of their body fat in the first half of the race and 50 percent altogether. Beginning runners can likewise expect to see a rapid fat loss at first. And you get to stop before reaching Norway.
Thanks for the minute. For Scientific American's 60-Second Science, I'm Steve Mirsky.
1 cape | |
n.海角,岬;披肩,短披风 | |
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2 ambitious | |
adj.有雄心的,劲头十足的,有野心的 | |
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3 incredible | |
adj.难以置信的,不可信的,极好的,大量的 | |
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4 consumption | |
n.消费,消耗,消费额,消耗量,结核病 | |
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5 joint | |
adj.联合的,共同的;n.关节,接合处;v.连接,贴合 | |
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