标签：materials 相关文章
最新研制一种新的医疗设备，可以利用身体动作来充电。 Novel materials could allow the implantation of flexible, rechargeable batteries that would constantly recharge from the body's own movements--even just breathing. Cynthia Gr
60秒科学
Im Hilarie Barsky for Good Morning America, now my guest is Cindy Crawford. Happy Pre-Mothers Day. oh, thank you, yeah, great. Do your kids do anything special? Er, Im sure I will be getting some object made out of clay. Yeah, I actually, I saw them
访谈录2008
Learning to Read in Safaliba Helps Ghanaian Kids Learn English 学习用Safaliba语言读书有助于加纳孩子学英语 Ghanas official national language is English. But for most citizens English is also a second language. Until recently, children
2015年VOA慢速英语(五)月
Many people remember the colors of the rainbow by the acronym ROY G. BIV. For red, orange, yellow, green, blue, indigo and violet. Well, the color indigo just made news. Indigo gets its name from the plant Indigofera tinctoria and its relatives, whic
2016年Scientific American(九)月
开车犯困,这是很多人都有过的经历.不过,如果有了下面这种能够让你清醒起来的安全带,开车犯困就不再是问题了. 开车打瞌睡?智能安全带叫醒你 The Daily Mail: A seatbelt that wakes you up if you are in
双语趣听精彩世界
Robots, becoming increasingly prevalent in factories and industrial plants throughout the developed world, are programmed and engineered to perform industrial tasks without human intervention. Most of today's robots are employed in the automotive ind
双语有声阅读
AS IT IS 2015-03-11 New Technology Lets Us Hear Famous Voice from 1880s 新技术让我们听到19世纪80年代著名的声音 Today, March 10th, is the anniversary of the first successful telephone call. Alexander Graham Bell was one of the invento
2015年VOA慢速英语(三)月
Higher Production Costs Shift Chinese Manufacturing For decades, China's factories have supplied the world with cheap goods - from denim jeans to desktop computers. But export prices are expected to go up as Chinese manufacturers are battered by high
VOA标准英语2011年(四月)
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)
Lesson 64 Clear Away 1.The waste materials here must be cleared away . 2.We must clear them away . 3.Let's clear it away together . 4.He is clearing away the branches of that tree . 5.Please help me to clear away the bowls and plates on the table . 6
辛沛沛NO-BOOK 辛沛沛口语初级版
The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Prize in Physics with one half to David J. Thouless and the other half to F. Duncan Haldane and J. Michael Kosterlitz for theoretical discoveries of topological phase transitio
2016年Scientific American(十)月
This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz
2016年Scientific American(十)月
Three teams of Chinese disease-control specialists are taking supplies and expertise to Guinea, Liberia, and Sierra Leone to help fight the deadly Ebola virus. Each medical team will be composed of one epidemiologist and two specialists in disinfecti
2014CRI中国国际广播电台
公司总裁Tim召集部门经理开会，讨论节能措施。 Tim: Morning everyone. As promised, we are returning to our topic from till couple of weeks ago: How can we make this firm more green? I'm sure you all remember environmental consultant
礼节美语
This past November, a survey showed that over 65 percent of 3,614 children and young adults queried said they had seen or read materials with sexual content, including pornographic films, Web sites, comics and computer games. After these results were
英语听力文摘 English Digest
By Mil Arcega Washington 27 February 2008 Wheat futures shot up this week to near the all-time high ($11.6975 a bushel) as foreign buyers scrambled to lock in supplies. A combination of bad weather, increasing global demand and export slowdowns in wh
VOA常速英语2008年（二月）
The Finance Ministry has issued a notice clarifying specific services that governments should purchase from the public. That's part of Chinas push in reforming its government procurement procedures. The services recommended for outside purchases were
CCTV9英语新闻2014年04月
By June Soh Washington 04 May 2007 Artists use a variety of materials for their creations -- paint on canvas, pencil on paper, metal or stone sculpted into life-like form. Still others create works totally unique from glass. VOA's June Soh met one s
2007年VOA标准英语（五月）
I work for a building contractor and I spend most of my workday giving on-site estimates. I mainly go to peoples homes, discuss the work they want done, inspect the site, and give them a quote. Robert: You want to expand your kitchen, is that right?
地道美语播客
今天我们要学的词是 grace period. Grace period 宽限期。日本通过立法，禁止持有儿童色情的图片和视频。The new law allows a grace period of one year for owners of such materials to get rid of them. 新法给现已持有这
英语单词荟萃