环境液态水含量

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(195) / 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

发表于:2018-12-04 / 阅读(157) / 评论(0)

ESL杰夫的一天

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

发表于:2018-12-07 / 阅读(190) / 评论(0)

火星生命

VOA慢速英语2011--ut Fireflies and Possible Liquid Water o

SCIENCE IN THE NEWS - All About Fireflies and Possible Liquid Water on Mars CHRISTOPHER CRUISE: This is SCIENCE IN THE NEWS, in VOA Special English. Im Christopher Cruise. BOB DOUGHTY: And Im Bob Doughty. Today, we tell about evidence of liquid water

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2011年VOA慢速英语(八)月

河北加拿大版初中英语--Lesson 27

Lesson 27: [00:03.58]Let's Do an Experiment! [00:07.24]One Experiment,Two Theories [00:11.81]A theory is an idea.A theory predicts what will happen. [00:18.57]An experiment shows what happens. [00:23.25]BRIAN:Did you read about this experiment,Danny?

发表于:2018-12-13 / 阅读(256) / 评论(0)

河北加拿大版初中英语

【突破英文词汇】solv, solu -- loosen 松开

1. dissolution /ˌdɪsəˈlu:ʃən/ -- act of loosening or breaking up into component parts; disintegration; ruin; destruction When President Lincoln took office, the Union faced imminent dissolution. 当林肯总统就职时，北军就面临着迫切

发表于:2018-12-18 / 阅读(162) / 评论(0)

突破英文词汇

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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60秒科学:Fog Found on Saturn's Moon Titan

Fog Found on Saturn's Moon Titan A study in Astrophysical Journal Letters reveals that Titan may be home to the familiar atmospheric condition known as fog--but made out of methane. Karen Hopkin reports The northeast just had its first big snow of th

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60秒科学

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

发表于:2019-01-02 / 阅读(214) / 评论(0)

火星生命

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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

发表于:2019-01-08 / 阅读(163) / 评论(0)

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UNIT 4 Look into Science! Lesson 32: Unit Review

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发表于:2019-01-09 / 阅读(370) / 评论(0)

河北教育初中英语（初中起点）八年级下册

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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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VOA慢速英语2008年（十一）月

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今日趋势-一个低空飞过的猫头鹰,一个伤心的浣熊

AS IT IS 2016-01-09 Trending Today: A Dramatic Owl Fly-By, a Sad Raccoon 今日趋势-一个低空飞过的猫头鹰,一个伤心的浣熊 This is Whats Trending Today Snowy Owl Fly-By Snowy Owls are native to the Arctic. But in the winter, they head

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归纳拓展跟动名词作宾语的动词考虑建议盼原谅(consider/suggest/advise,look forward to, excuse, pardon) 承认推迟没得想（admit, delay/put off,fancy）避免错过继续练（avoid, miss, keep/keep on, practise）否认完成停

发表于:2019-01-16 / 阅读(155) / 评论(0)

英文语法词汇

TED演讲:为何番茄酱很难倒出来(1)

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

发表于:2019-01-17 / 阅读(173) / 评论(0)

TED演讲教育篇

原汁原味商务英语播客第46课:休息室闲谈(1)

This Business English Podcast lesson is the first in an ongoing series where well listen in on some typical chitchat around the office water cooler. Youll find a water cooler in offices around the world usually in the break room where employees gathe

发表于:2019-01-18 / 阅读(147) / 评论(0)

原汁原味商务英语播客

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> 32 建造屋顶花园 DATE=6-5-01 TITLE=AGRICULTURE REPORT - Building Rooftop Gardens BYLINE=Bob Bowen （Start at 59

发表于:2019-01-30 / 阅读(283) / 评论(0)

自然探索

英国学生科学读本第35期:蒸汽往上冒(1)

Lesson 35 Getting up Steam 第35课蒸汽往上冒！ Do you want to know what steam is? Let us get a lump of ice, or a snow-ball, and place it in a saucer in a warm room. It soon melts, and then the saucer is half full of water. If we leave the sau

发表于:2019-02-07 / 阅读(168) / 评论(0)

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Instead of burning coal, oil, or biomass to heat things up, scientists have found that its possible to use solar energy. For example, some experimental facilities use thousands of mirrors to reflect sunlight onto a large plate on a tower, heating it

发表于:2019-03-06 / 阅读(212) / 评论(0)

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