临界液态水含量

SSS 2009-12-24

The northeast just had its first big snow of the season. Meanwhile, on Titan, it was foggy. That weather report brought to you by researchers publishing in the journal Astrophysical Journal Letters. The scientists found that Titan, Saturns largest mo

发表于:2018-12-02 / 阅读(179) / 评论(0)

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The mouthwash, mouthwash, (all one word) 漱口水（mouthwash），（是一个字） is a liquid like water, but it has something in it that helps clean your teethclean the inside of your mouth; that is mouthwash. 是像水一样的液体，但它含

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Horizon - Life On Mars 火星生命 - 5

William Boynton is professor of planetary sciences at the University of Arizona. And he's dedicated his life to looking for water on Mars. The link between life and water is very strong. Even here in

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火星生命

VOA慢速英语 2007 0226a

This is the VOA Special English Development Report. Before refrigerators, homes usually had ice boxes. But another way to keep food cool without the need for electricity is to use an evaporative cooler. This is easy to make and does not even use ice.

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发表于:2018-12-13 / 阅读(227) / 评论(0)

河北加拿大版初中英语

SSS 2011-02-17

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Usually, we trust common sense to solve problems. Is a runny mixture too thick? Add some fluid. Thatll make it runnier. Except when the fluid makes it th

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2008-12-04 火星也下雪？

NASA scientists report NASAs Phoenix spacecraft has discovered evidence of past water at its Martian landing site and spotted falling snow for the first time on Mars. Soil experiments reveal the presence of two minerals known to be formed in liquid

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Horizon - Life On Mars 火星生命 - 12

But there was something even better. Odyssey may not just have found ice. There may also be liquid water, and that means, there could be living creatures there too. Right now, there might be liquid wa

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For a long time, conventional wisdom said that we should drink eight glasses a day. 长久以来，一般观念都认为我们每天要喝8杯水， That estimate has since been fine-tuned. 但这个数据已被重新调整过。 Now, the consensus i

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This is the VOA Special English Development Report. Dye can bring a little color to life. Most clothing is colored with dyes. Modern, manufactured dyes can be costly. Natural dyes from plant and animal products have been used since ancient times. So

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French fries are delicious. French fries with ketchup are a little slice of heaven. 我们都知道炸薯条很好吃，再配上番茄酱简直就是人间美味。 The problem is it's basically impossible to pour exactly the right amount. 但问题是

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TED演讲教育篇

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自然探索

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学英语单词

aberroscope

adjoint system

administrative aspects

after-lunches

Ahrax, Il-Ponta ta'l-

Al Lubnān

alamo vine

alfred and marie range

aluminium butoxide

amkin

amsinckia intermedias