单词：infrared spectra
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[00:04.49]home homework [00:07.92]n.家;家乡,本国a.家庭的;家乡的,本国的 n.课外作业 [00:11.34]homeogeneou honest [00:13.77]a.同种类的,同性质的,有相同特征的 a.诚实的,正直的,老实的 [00:16.20]honesty honey hono(u)r
考研英语词汇2005
A volcano in Iceland had been dormant for more than 180 years. But then a few weeks ago, this started. The volcano is erupting, and some scientists say it could last for more than a year. That's about how long it went the last time this happened，th
CNN2010年(四)月
中国船只搜寻失踪航班 SOUTH CHINA SEA, March 10 (Xinhua) -- Two rescue vessels sent by the Ministry of Transport (MOT) will conduct parallel search works for the missing Malaysia Airlines flight, said command authorities on Monday. Rescue ve
英语新闻
This podcast is brought to you by the American Chemical Society. The global challenges chemistry solutions podcast from ACS discusses how chemistry research is critical in solving some of the world's most daunting problems, concerning energy, food an
Scientific American(十一)月
206. The spinal cord operation脊髓手术 spectra-sponge There was a lecture given at a medical school on a spinal cord operation. The professor began: In order to have a speedy but safe operation, one must speculate on the entire spectrum of possib
胡敏托福词汇记单词
AS IT IS 2013-06-14 NASA Scientists Still Dream of, and Plan for, Human Travel to Mars From VOA Learning English, this is As It Is. Welcome back. Im Caty Weaver. On the show today, we look into the future of space exploration. The American space agen
2013年VOA慢速英语(六)月
听力薄弱的考生是很难在托福考试中得到高分的。首先考生对自己的词汇量应该有个基本的了解。考生可以翻看一下TPO练习的问题部分，如果连审题都有困难，那么建议先别急着考试，好好从
托福英语
在托福考试中，听力是一个很重要的环节，而在听力备考的过程中，词汇又是非常重要的。 在托福听力的备考过程中，我们细细翻一下TPO资料，如果发现连审题都有着困难，那么，这时候就建
托福英语
A new UK passport design was launched Tuesday with tougher security measures - but immediately sparked a sexism row. 英国新版护照的设计图周二（11月3日）发布，安全措施更严格，却立刻引发了一场性别歧视口水战。
阅读空间
Experts say that some of our most innocent habits could induce serious damage to our skin. With these little shifts, you'll outsmart them all and stay smooth and lovely. 专家告诉我们，一些我们平时经常忽视的生活习惯也能减少对皮
趣味英语
CAIRO, Aug. 12 (Xinhua) -- Egyptian President Mohamed Morsi appointed Sunday Abdel Fatah el Seisy as defense minister and chief of the supreme council of the armed forces, presidential spokesman Yasser Ali announced. El Seisy, 58, used to be the lead
英语新闻
You may have thought all superyachts were created equal. But according to one designer, there is a gap in the market for vessels targeted at the fairer sex. 也许你会觉得超级游艇的建造不分性别，但据一位设计师表示，市场上针
阅读空间
From VOA Learning English, this is As It Is. Welcome back. Im Caty Weaver. On the show today, we look into the future of space exploration. The American space agency NASA has announced plans for a new effort to study the sun. And, NASA scientists are
英语语言学习
Malaria killed 435,000 people last year, most of them in Africa. 去年435,000人死于疟疾，其中大部分在非洲。 The parasite that causes the illness is carried by females of some, but not all, species of mosquitoes of the genus Anopheles.
经济学人科技系列
Properly analysed, Fraunhofer lines provide information about the exact chemical make-up of whatever is reflecting the light. 经过恰当分析，夫琅和费谱线可以提供关于任何反光物体的化学组成的确切信息。 Their patterns
经济学人科技系列
The search for alien life 寻找外星生物 Twinkle, twinkle, little planet 闪烁吧，小行星 An undervalued optical trick may help to find life in other solar systems 一个不被人重视的光学方法可能能帮助寻找其他太阳系的生命
经济学人科技系列
Science and technology. 科技。 The search for alien life 寻找外星生物 Twinkle, twinkle, little planet 闪烁吧，小行星 An undervalued optical trick may help to find life in other solar systems 一个不被人重视的光学方法可能能
经济学人综合
Combining Leavitt's cosmic yardstick with Vesto Slipher's handy red shifts, Edwin Hubble now began to measure selected points in space with a fresh eye. In 1923 he showed that a puff of distant gossamer in the Andromeda constellation known as M31 was
万物简史
话题类单词，术语 托福考试的lecture话题非常广泛，虽然官方指南给出了艺术、生命科学、自然科学和社会科学四大类话题，但事实上这四个话题已经能囊括任何专业知识点了，知识面再广的学
托福英语
很多考生托福听力薄弱，主要原因在于托福词汇量不够。 听力薄弱的考生是很难在托福考试中得到高分的。可能很多考生对托福考试的整体印象是考试内容比较专业，有大量的专有名词，一拿
托福英语