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(83) / 评论(0) 分类 Scientific American(十二)月

Diamonds 钻石 Diamonds are rare, beautiful, and also quite useful. They are the hardest substance found in nature. That means a diamond can cut any other surface. And only another diamond can make a

发表于:2018-12-05 / 阅读(59) / 评论(0) 分类 有声英文阅读

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(89) / 评论(0) 分类 火星生命

Lesson 67 Volcanoes New words and expressions: 1. volcano Haroun Tazieff, the Polish scientist, has spent his lifetime studying active volcanoes and deep caves in all parts of the world. This is a dormant volcano. Pompeii disappeared after the volcan

发表于:2018-12-08 / 阅读(451) / 评论(0) 分类 新概念英语词汇随身听手册2

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(104) / 评论(0) 分类 火星生命

Ooh Ooh Don't let it slip away不要让它溜走 Ooh Ooh Don't let it get away不要放手 Can you hear me right now妳現在聽得到我講話吗? I got your number我拿到了妳的電話 And I'm callin' you out正打給妳邀妳出去 With liqui

发表于:2019-01-07 / 阅读(49) / 评论(0) 分类 听歌学英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(133) / 评论(0) 分类 Scientific American(四)月

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(67) / 评论(0) 分类 TED演讲教育篇

medicine;drug;remedy 药 sleeping pill 安眠药 contraceptive drugs 避孕药 tonic 补药 a medicine for colds 感冒药 expectorant 化痰药 anti-cancer drugs;cancer-fighting drugs 抗癌药 anti-tuberculous drug 抗结核药 oral contracep

发表于:2019-01-08 / 阅读(164) / 评论(0) 分类 医学英语

In a jungle there lived a pack of jackals. They would hunt together to eat from the left-overs of the lions meal. One of the jackals was getting a little old. All the younger jackals bullied him and did not allow him to share the food. I have to do s

发表于:2019-01-08 / 阅读(90) / 评论(0) 分类 英语小短文

[ti:UNIT 4 Look into Science! Lesson 32: Unit Review] [0:00.000]UNIT 4 [0:01.873]Look into Science! [0:04.086]Lesson 32 [0:05.447]Unit Review [0:07.036]Ⅰ. Building Your Vocabulary [0:10.383]A. Fill in each blank with the proper word or phrase from

发表于:2019-01-09 / 阅读(239) / 评论(0) 分类 河北教育初中英语(初中起点)八年级下册

Gas 气体 There are three different kinds of matter. They are solids, liquids and gases. 物质分三种:固体、液体和气体。 Gas has no shape, so you can't touch gas. 气体本无形,所以你触摸不到。 Gas moves very freely. 气体能

发表于:2019-01-10 / 阅读(61) / 评论(0) 分类 与美国小学生一起学英文第5册

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

发表于:2019-01-11 / 阅读(76) / 评论(0) 分类 VOA慢速英语2008年(十一)月

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

发表于:2019-01-11 / 阅读(74) / 评论(0) 分类 VOA慢速英语2007年(五)月

HARI SREENIVASAN: Time now for our weekly segment on science called the Leading Edge, and the discovery of another possible Earth-like planet that's grabbing worldwide attention today. It is true, scientists have previously said they believe there ar

发表于:2019-01-27 / 阅读(45) / 评论(0) 分类 PBS访谈环境系列

fiat money 法定通货 a medium of exchange交换媒介 legal sanction法律制裁 face value面值 liquid assets流动资产 illiquid assets非流动资产 the liquidity scale 流动性指标 real estate 不动产 checking accounts,demand deposit,

发表于:2019-02-06 / 阅读(73) / 评论(0) 分类 实用英语

unit one division of labor 劳动分工 commodity money 商品货币 legal tender 法定货币 fiat money 法定通货 a medium of exchange交换媒介 legal sanction法律制裁 face value面值 liquid assets流动资产 illiquidl assets非流动资产

发表于:2019-02-07 / 阅读(88) / 评论(0) 分类 实用英语

So, needless to say, it was crazy. 所以,不用说,这真的很疯狂 Eventually, Hasbro themselves invited me to their headquarters 最后 孩之宝邀请我去了公司总部 so they could go and unveil 向我展示了他们的 their new Easy-

发表于:2019-02-13 / 阅读(53) / 评论(0) 分类 TED演讲教育篇

Business 商业报道 Air conditioning 空调行业 Cool innovation 很酷的发明 An upstart hopes to make rival cooling companies sweat 一家新贵公司有望使制冷方面的竞争对手汗流浃背 ON A hot July day in 1902, the world's first

发表于:2019-02-16 / 阅读(47) / 评论(0) 分类 经济学人商业系列

常用句型科技文章中经常使用若干特定的句型,从而形成科技文体区别于其他文体的标志。例如Itthat结构句型;被动态结构句型;结构句型,分词短语结构句型,省略句结构句型等。 举例如下

发表于:2019-02-18 / 阅读(75) / 评论(0) 分类 英语口译