标签：wavelength 相关文章
Scientists Observe Most Distant Cosmic Explosion Ever Recorded 科学家们观察到有史以来最遥远的宇宙爆炸 Astronomers have detected the most distant explosion ever witnessed in the heav
VOA2005（下）--环境科学探索
Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra
国家地理2008年
[00:04.32]Is this a school? 这里是个学校吗？ [00:06.60]Yeah, the school of Screw You and Take All Your Damn Money. 没错，白干活不给钱的学校 [00:08.20]- Yeah. - Yeah, we're top of the class. - 哈哈 - 没错，我们都是毕业班
听电影学英语-八月迷情
You might say blue-green algae are optimists: they put things in the best possible lightliterally. Actually, the organisms arent really algae. Theyre photosynthetic ocean bacteria. And they can fine-tune their photosynthetic apparatus to take advanta
Scientific American(十一)月
Hundreds of millions of years ago a humble fish swam in the lakes and rivers of the supercontinent Gondwana. Eventually Gondwana broke apart, becoming the continents we know today. And the descendants of that fish, now called cichlids, continue to sw
2017年Scientific American(一)月
以下段落是摘自新闻里的一些重要信息,并不是一个段落的听写。空内信息可在本新闻中全部找到,大家可以根据这些信息复述新闻。 一、泛听建议： 1、完整听一遍，掌握大意。 2、继续听，特
NPR边听边练
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 space as light and h
考研背诵50篇
How X-Ray Technology Is Helping Examine Millets Artwork In the 1840s, a new painting by Jean Francois Millet was unveiled in Paris. But, horror of horrors, no one seemed to like it! Some critics thought the images were too violent; others thought the
英语听力文摘 English Digest
A Magical Glow? Have you ever wondered why fluorescent colors, like you see in highlighters or clothing dyes, for instance,seem so much brighter than other colors? Its because they seem to reflect more light than they receive! It may sound like a mag
英语听力文摘 English Digest
图片1 Do you know someone who understands you? Does this person often agree with you or have the same ideas when you are working together? If this is the case, it sounds like you are both on the same page. In this episode we look at that expression
英语博客-北美风情
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. Today, we will tell about a plan to fight a leading killer of children in developing countries. We will tell about a new way to recogni
VOA慢速英语2009年（十一）月
By Heda Bayron Hong Kong 27 September 2007 Diplomats have resumed talks on North Korea's nuclear programs in Beijing, hoping to finally agree on details of how to totally disable the country's nuclear facilities. VOA's Heda Bayron reports from our As
2007年VOA标准英语（九月）
South Korea Researches Vertical Farming for Food Security Agriculture in high-rise buildings is the dream of some scientists and architects around the globe. But it soon could be reality. Just outside of Suwon, a city 30-kilometers south of the capit
VOA标准英语2012年(四月)
Hundreds of millions of years ago a humble fish swam in the lakes and rivers of the supercontinent Gondwana. Eventually Gondwana broke apart, becoming the continents we know today. And the descendants of that fish, now called cichlids, continue to sw
2017年Scientific American(三)月
图片1 Hey! Over here! Were over here! We are waving at you so you look over here! This weeks word is wave and all of its different meanings. Listen in and see if you are on the same wavelength as us.
英语博客-北美风情
【俚语】 Speak the same language 有共同语言 【例句】 Were both obsessed with baseball, so we speak the same language. 我们都痴迷于棒球，所以有共同语言。 Be on the same wavelength （两人或多人）观点相投，合得来
英语俚语天天说
Have you even wondered why you can hear FM radio signals in a tunnel longer than AM? Take a ride with Don and Ya?l to find out why. D: What a great day for a drive! How do you like my new Ferarri? Y: Very fancy. D: Best of all, the radio works, so we
英语时差8，16
Ultraviolet Fish 带紫外线的鱼儿 So you want to attract a mate . After all, passing on your gene s is what evolution is all about. To do that you need offspring , and to get a lot of those you need to be attractive. The flash ier the better. He
英语听力文摘 English Digest
Megaphones If you want to call to a friend half a block down a crowded street, you might cup your hands around your mouth to better aim your voice. Have you ever wondered why simple megaphonesamplify your voice so well? Actually, they work for two di
英语听力文摘 English Digest
Better Than Barney 某天夜里，你一觉醒来发现电视机忘了关，节目却已播完，电视屏幕上嘶嘶地闪着雪花，也许你不会想到，再普通不过的雪花噪音竟包含来自137亿年前宇宙大爆炸的遗物微波背景
英语听力文摘 English Digest