[网络] 撞击坑；陨星坑

英文书摘精选 Create Your Own Moon Craters制造属于你自己的月球陨石坑

What makes science really fun is when you get to do things yourself, so today were going to be making moon craters. 科学真正变得有趣的时刻就是当你亲自实践的时候，那么今天，让我们来一起制作月球陨石坑吧！ They

发表于:2018-12-28 / 阅读(124) / 评论(0)

初学者听力文摘精选

北师大初中英语八年级上--Expansion3-1

[00:00.62]UNIT 3 [00:07.67]Expansion 3 [00:12.97]Exercise 2 [00:15.15]My name is Kevin. [00:17.00]I am from New Zealand. [00:19.24]Here is some information about my country. [00:23.44]New Zealand is in the South Pacific Ocean [00:27.25]about 1,000 mi

发表于:2018-12-29 / 阅读(239) / 评论(0)

北师大版初中英语八年级上

英语听力文摘 English Digest 615、制造属于你自己的月球陨石坑

Create Your Own Moon Craters! What makes science really fun is when you get to do things yourself, so today were going to be making moon craters. Theyre the roundish blast-marks left on the moons surface by ancient meteorites. The moons surface is co

发表于:2018-12-31 / 阅读(95) / 评论(0)

英语听力文摘 English Digest

经济学人: 开普勒 R.I.P (1)

It used to be that finding even one new planet was enough to make an astronomer's career. 曾经即便是找到一颗新卫星都足以成就一名天文学家的事业。 Uranus was discovered in 1781 by William Herschel, who these days has, among o

发表于:2018-12-31 / 阅读(149) / 评论(0)

经济学人科技系列

让我们来一次虚拟的太空行走吧(有声)

1983年４月７日，美国＂挑战者＂号航天飞机在太空飞行期间，两名航天员在太空自由自在地飘飞行走了3个多小时．这是人类首次不系绳索自由地在太空行走．航天员为何能在太空行走呢？原

发表于:2019-01-02 / 阅读(141) / 评论(0)

60秒科学

SSS 2010-05-13

Twelve men have walked on the moon. And now you can, too. Virtually, that is. Because planetary researchers are enlisting everyday citizens in scientific exploration of the surface of the moon. At the Web site moonzoo.org, you can check out new high-

发表于:2019-01-08 / 阅读(141) / 评论(0)

Scientific American(五)月

2012年11月3日雅思阅读机经[A类]

考试日期： 2012 年 11 月 3 日 Reading Passage 1 Title: The dinosaurs footprints and extinction Question types: YES/NO/NOT GIVEN, Summary 文章内容回顾文章从恐龙的脚印开始讲恐龙的灭绝。英文原文阅读 Mass Extinction

发表于:2019-01-08 / 阅读(180) / 评论(0)

雅思机经

VOA标准英语2010年-NASA Searches for Water on Moon

Last October, a NASA rocket, traveling at a speed of 9,000 kilometers per hour, smashed into a dark crater on the moon's south pole. Upon impact, the Centaur rocket kicked up a cloud of debris and elements from the moon's surface, creating a so-calle

发表于:2019-01-14 / 阅读(107) / 评论(0)

VOA标准英语2010年(十)月

流行美语 (Popular American) 288

李华和Larry在公园散步。最近全球性的经济衰退，让Larry忧心忡忡。今天我们要学两个常用语： do-or-die和 to crater. LL: Well, Li Hua, I'm glad to hear that you are enjoying your job. But I can't help worrying about th

发表于:2019-01-15 / 阅读(150) / 评论(0)

美国之音《流行美语》

科学美国人60秒 SSS 巨大冲击引发火山喷发

Large Impacts May Cause Volcanic Eruptions巨大冲击引发火山喷发 Other rocky planets in our solar system show a common feature: within giant craters caused by impacts theres evidence of volcanic activity. Which made scientists wondercan big i

发表于:2019-01-20 / 阅读(132) / 评论(0)

2017年Scientific American(六)月

英语听力：探索发现 2014-06-13 BBC 地平线：陨石的真相-14

So was this a near miss for us? If the asteroid had been in a different part of its orbit, so it didnt hit this year but it hit next year, it would have still hit us on February 15th. But instead of coming in over Russia, it would have come in over t

发表于:2019-01-23 / 阅读(130) / 评论(0)

探索与发现2014年

每日一词【213】impact：影响、作用

今天我们要学的词儿是impact。 Impact是影响、作用的意思。美国总统布什宣布对苏丹政府实施新的制裁。美国官员说，The sanctions will have a serious impact. 意思是制裁会产生重大影响。发展旅游业的

发表于:2019-01-25 / 阅读(124) / 评论(0)

英语每日一词

英语听力：自然百科金星和水星旅行指南 Venus and Mercury-2

Ever wanted to be an astronaut? Imagine it was you, who was heading to the hot zone of the two inner planets, where would you go? What would you see? And how would you survive? The latest robotic machines have revealed more about these worlds than ev

发表于:2019-02-05 / 阅读(188) / 评论(0)

自然百科2012年

英伦广角 2012-04-14 取消银行假日将令英国GDP增190亿英镑？

One head you can see. What price can you put on time with the ones you love and those little craters according to one calculation: 2.3 billion pounds a day. So why are bank holidays a luxury we cannot afford. Is worth it? Moral motivation. Yeah, mora

发表于:2019-02-05 / 阅读(132) / 评论(0)

英伦广角

学个词Learn a Word 第213期 impact

发表于:2019-02-14 / 阅读(131) / 评论(0)

英语单词荟萃

英语听力：自然百科金星和水星旅行指南 Venus and Mercury-14

On earth, Hawaii has some of the most spectacular shield volcanoes that are very similar with the volcanoes we see on Venus. The huge gently sloped volcanoes of Hawaii may be impressive. On Venus there are at least 150 ranging from this size to ten t

发表于:2019-02-15 / 阅读(172) / 评论(0)

自然百科2012年

万物简史第286期:砰!(21)

One fragment, known as Nucleus G, struck with the force of about six million megatonsseventy-five times more than all the nuclear weaponry in existence. 有个名叫核G的碎块，其撞击威力高达6亿吨级──相当于现有核武器的总威力

发表于:2019-02-25 / 阅读(146) / 评论(0)

万物简史

万物简史第269期:砰!(4)

The story begins in the early 1950s when a bright young geologist named Eugene Shoemaker paid a visit to Meteor Crater in Arizona. 故事始于20世纪50年代之初。当时，有一位名叫尤金苏梅克的年轻有为的地质学家对亚利桑那

发表于:2019-02-25 / 阅读(122) / 评论(0)

万物简史

神秘的月球第12期

And the answer that occurred to me first, 我首先想到的是 was it looked like another moon peeking out behind lo. 它看起来像是从木卫一后方露出来的另一个卫星 But when she looked closer she realised it 但仔仔观察后她才发

发表于:2019-02-27 / 阅读(203) / 评论(0)

神秘的月球

神秘的月球第11期

As the moon pulls away it will put an end 随着月球日渐远离 to one of nature's most glorious spectacles; 自然界中最壮丽的奇景也将画下句点 a total solar eclipse. 那就是日全食 The moon is 400 times smaller than the sun. 月球

发表于:2019-02-27 / 阅读(257) / 评论(0)

神秘的月球

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学英语单词

agent of erosion

allothigenous (allogenic) constituents

bubble size distribution

cascade transformer