雅思词汇:学科专业

雅思词汇:学科专业 在雅思考试中关于学科专业类信息很多，大家要注意在平时学习中多多积累，一起来学习吧！ psychology 心理学 engineering 工程学 architecture 建筑学 basic course 基础课 specialized

SSS 2009-01-23

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

SSS 2009-04-28

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Many of the key molecules for life have a specific direction, or handedness: DNA twists to the right, amino acids to the left. Now scientists at the Nation

GOING TO GRADUATE SCHOOL

DIALOG 24 laurance--How's school going? soony--Just fine.I finally got the grant to go to graduate school. laurance--Great!Are you starting your doctorate? soony--That's right.I'm going to do it in bi

英语听力训练连载 listen 24

DIALOG 24 GOING TO GRADUATE SCHOOL laurance--How's school going? soony--Just fine.I finally got the grant to go to graduate school. laurance--Great!Are you starting your doctorate? soony--That's right

听力每日练习listen 24

DIALOG 24 GOING TO GRADUATE SCHOOL laurance--How's school going? soony--Just fine.I finally got the grant to go to graduate school. laurance--Great!Are you starting your doctorate? soony--That's right.

【一起闲话英语】什么是生物化学—What is Biochemistry?

Passage Transcript biochemistry is a very specific area of chemical science which, studies the interactions of biological systems with chemical components, and which also determines, which chemical components and, how interacts with the human body an

VOA慢速英语20060221a

AGRICULTURE REPORT - Legumes: Good for People and SoilBy Bob Bowen Broadcast: Tuesday, February 21, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. Many different kinds of plants

VOA慢速英语--藻类可能有助于解决世界饥饿

From VOA Learning English, this is the Health Lifestyle report. Nearly 790 million people around the world do not get enough to eat. Most of them live in developing countries. Many parts of the developing world do not have transportation systems in p

SSS 2008-10-17

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. In 1953 a student named Stanley Miller did an experiment showing that the simple chemicals present on the early Earth could give rise to the basic buildi

SSS 2009-09-17

The early Earths oceans were home to a lot of interesting chemistry. Now scientists have found that amino acids thought to be present way back when could have been cooked into other compounds vital for lifean idea you should take with a grain of salt

TED演讲:食物是如何影响大脑的(1)

If you sucked all of the moisture out of your brain and broke it down to its constituent nutritional content, what would it look like? 如果将你大脑里所有的水分都吸干，然后按不同的营养成分进行分类，会是怎样呢？ Mos

TED演讲:什么是脂肪(1)

Olive oil is 100% fat; there's nothing else in it. 橄榄油含有100%的脂肪，除此之外没有别的。 Pancake mix, on the other hand, is only about 11% fat. 相反，煎饼只有约11%的脂肪。 And, yet, olive oil is good for you, and panc

VOA慢速英语20060404a

AGRICULTURE REPORT - Scientists Clone Pigs to Make Omega-3 Fatty AcidsBy Mario Ritter Broadcast: Tuesday, April 04, 2006 I'm Faith Lapidus with the VOA Special English Agriculture Report. Scientists s

雅思常考十种场景词汇(8)

10.授课场景 (六)、学校生活之课题研究篇 部分学科名称： literature文学 philosophy哲学 history历史 art艺术 sociology社会学 linguistics语言学 psychology心理学 engineering工程学 architecture建筑学 business商务 law法学 economics经济学 finance金融学 account

对眼睛有益的10种食物

You need to take proper care of your eyes to maintain good eyesight. There are few fundamental rules that have to be done for good eye care. As you know very well that exposure to sun is very bad for the eyes. Similarly, if you use computer for long

万物简史 第409期:生命的起源(3)

There are actually twenty-two naturally occurring amino acids known on Earth, 实际上，地救上有22种天然存在的氨基酸， and more may await discovery, but only twenty of them are necessary to produce us and most other living things. 更多

万物简史 第408期:生命的起源(2)

Proteins are what you get when you string amino acids together, and we need a lot of them. 你把氨基酸串在一起，就得到了蛋白质。我们需要大量的蛋白质。 No one really knows, but there may be as many as a million types of pro

每天吃鲑鱼 像戒烟一样有益

Eating a small steak every day could be as good for you as stopping smoking, scientists say. 科学家说，每天吃一小块牛排可以像戒烟一样对你有好处。 People who eat lots of protein-rich food were found to have lower blood pressu

咱们裸熊 第53期:天才儿童

Uh...Five-second rule. Just joking. Hey, Chloe. Remember, it's me, Amy, you know, from earlier at the boba shop. 呃...五秒原则。开玩笑的。嘿，克洛伊。还记得我吗？艾米，之前在珍珠奶茶店我们见过。 Oh, um, hey. Wha