单词：high molecular synthetic material
单词：high molecular synthetic material 相关文章
Price 价格 Brief Introduction 对外贸易中的商品单价通常由四个部分组成，即计量单位、单位价格、计价货币和价格术语。 国际贸易中使用的价格术语很多，其
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Unit 6 价格 Price Price 价格 Brief Introduction 对外贸易中的商品单价通常由四个部分组成，即计量单位、单位价格、计价货币和价格术语。 国际贸易中使用的价格术语很多，其中以 F.O.B、C.I.F、及C
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Poland unveiled a gorgeous, glowing bike path in the Mazury region to help nighttime cyclists get from A to B. 波兰马祖里地区近日建成一条精美绝伦、闪闪发光的自行车道，以帮助夜间骑行者从甲地骑到乙地。 The 10
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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t
Scientific American(四)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. After water, tea is the world's most popular drink. Now three New York City high school students have discovered what maybe a bruing scandal because th
Scientific American(七)月
One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond
2017年Scientific American(二)月
The United States has partnered with the United Nations Foundation's Girl Up campaign, Intel Corporation, Google, and other partners to lead the third annual Women in Science Girls STEAM Camp, to enable to girls to study the science, technology, engi
VOA标准英语2017年(8月)
Evoking images from the liquid metal and nearly unstoppable Terminator from the movies, BAE Systems has posted concept video footage of a process to create drones of the future. 近日，BAE系统公司发布的一份概念视频展示了未来制造无
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Scientists in Brazil are turning fruit fibers into car parts. At a recent meeting of the American Chemical Society, the researchers described their work in making the next generation of automotive parts made from natural fibers from bananas, pineappl
VOA标准英语2011年(四月)
Rubber May Soon Come from Weed 橡胶或很快能从杂草提炼 People have been using products made with synthetic rubber for more than a century. But high-quality tires for cars, trucks and aircraft still must contain 40 percent or more natural ru
2014年VOA慢速英语(九)月
Have you ever wondered how those hard-shelled mollusks known as mussels anchor themselves to rocks on lake and river bottoms? How they stick to sea walls, or resist pounding waves? Scientists at the University of Chicago have done more than come up w
VOA标准英语2011年(二月)
Heat Sensor Has Snaky Sensitivity敏感如蛇的热传感器 One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. 世界上有一种最精敏的热传感器，它
2017年Scientific American(六)月
EDUCATION REPORT - Intel Science Talent Search Winners AnnouncedBy Nancy Steinbach Broadcast: Thursday, March 23, 2006 I'm Steve Ember with the VOA Special English Education Report. An eighteen-year-o
2006年慢速英语（三）月
By Mil Arcega Washington, DC 04 May 2006 watch Ripple Effect of Oil report The latest data on consumer spending shows the U.S. economy continues to expand at a healthy pace. But some economists fear o
2006年VOA标准英语（五月）
A new self-repairing material has been developed by researchers in the UK and they say itll be ready to integrate into everything from smartphone screens to nail varnish within the next five years. 英国研究员已开发一种能自我修复的新型
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The discovery of cells in the brain that act as the body's internal global positioning system, which won three scientists the Nobel Prize for medicine on Monday, opens an intriguing new window onto dementia. Since these spatial cells are among the fi
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(1)A: We can offer you this in different levels of quality. B: Is there much of a difference in price ? A: Yes ,the economy model is about 30% less. B: Well take that one . A:这产品我们有三种不同等级的品质。 B:价钱也有很大的分别
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Voice 1 Hello. Im Elizabeth Lickiss. Voice 2 And Im Marina Santee. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live Voice 1 My son is cal
环球英语 Spotlight
第九篇 Heat Is Killer Extremely hot weather is common in many parts of the world. Although hot weather just makes most people feel hot， it can cause serious medical problems -- even death. Floods， storms， volcano eruptions and other natural
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How Do You Make A Diet-Coke Float? 你能让无糖可乐浮起来吗？ Heres an at-home experiment you can try. Take a can of classic Coca-Cola and a can of Diet Coke, and without opening either one submerge them in water. A deep sink or a bucket wi
英语听力文摘 English Digest