单词：liquid helium vessel
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New Words 2A @ endurance n. [U] the ability to continue doing sth. difficult or painful over a long period of time 忍耐；忍耐力 @ moderate a. 1. neither very big nor very small in amount, quality, degree, etc. 中等的，适度的 @ 2. reasona
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This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. One of the problems with large-scale solar power plants is that they require a huge amount of space. To rise above that problem Israeli researchers rece
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The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into
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Flying Dog Brewery Part of Micro Beer Spurt in US Its hard to imagine life without beer. Especially here at the Flying Dog Brewery. This place fills 250 bottles every single minute of production, says the company's Erin Biles. Not bad for a brewery i
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Questions 12-20 The elements other than hydrogen and helium exist In such small quantities that it is accurate to say that the universe somewhat more than 25 percent helium by weight and somewhat less than 25 percent hydrogen. Astronomers have measur
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Over the lights of sunset and vine We're floating away From the fortune and fame And your lips are mine They're raspberry wine Your body's a map I will follow into the sky Cause what you got Is all that I want It's all that I want And still that's no
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