单词:pulp fiber classifier
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[00:03.68]Unit11 The Media Lesson4 What's in the Papers? [00:09.55]A According to a research published [00:12.07]by Leeds University yesterday, [00:14.27]people don't mind bad language [00:16.36]on television as long as it is not used [00:18.43]in pr
Technology Report - How to Do It: Making Paper by Hand This is the VOA Special English Technology Report. The earliest process of making paper was done almost five thousand years ago in Egypt and the Nile Valley. In those days, paper was made from st
Note 2. (A Squib is a person born to magical parents, but who has no magical powers. Such an occurrence is rare. Muggle-born witches and wizards are much more common. JKR) 注释二:(哑炮就是父母都会魔法,但是自己却不会魔法的人。
That'true. monarch butterflies lay their eggs on milkweed plants.The caterpillars feed on milkweed, from which they extract substances called cardenolides, a type of chemical that can cause heart arrhythmia. This toxin doesnt affect the caterpillars
Remember how stiff jeans used to be? In the olden days, even sitting down or climbing stairs was hard. But these days jeans can be skintight yet surprisingly comfortable. The secret is the spandex, which they add to denim to make it stretchy and comf
51. The Philadelphia Story·1940 费城故事 52. From Here to Eternity·1953 红粉忠魂未了情 (显然《世界日报》把From Here to Eternity 译成“魂断蓝桥” 是误会了。“魂断蓝
By Cathy Majtenyi Nairobi 17 May 2006 An African-wide conference of policy makers, engineers, industry leaders, scientists, and experts in the information and communications technology field, known as
By Dan Robinson Capitiol Hill 16 March 2007 Former undercover CIA officer Valerie Plame, who has been at the center of a controversy involving the role White House officials played in revealing her identity, has testified in public for the first tim
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
[00:02.17]Unit 20 New Frontiers Culture Corner [00:06.79]Ancient Chinese Inventions [00:09.71]Paper making [00:11.18]The ancient Chinese invented [00:13.43]and were using paper about 2000 years ago. [00:17.36]Early paper in China was made [00:19.20]f
1. Hurricane Irene killed at least 45 people when 2 million people still in the dark, according to an Associated Press tally. In Vermont, many have no power, no telephone service and no way to leave. 2. The White House says President Barack Obama wil
Pulp from Plants Makes Packaging More Earth-Friendly 植物纸浆让包装更环保 The average American throws away about 84 kilos of plastic every year. Much of that ends up in the ocean, according to the marine research group Algalita. Almost half
By Melinda Smith Washington, DC 01 November 2006 watch Walter Reed Amputees A record number of U.S. soldiers injured in Iraq have lost arms and legs in explosions caused by remote-controlled bombs. The need for more comfortable, adaptable artificial
Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani
Picture a living plane, and that gives you a sense of what Quetzalcoatlus would look like in life. And this is an animal that probably accelerates over 2.5Gs just on takeoff. Just beyond our comprehension. A Quetzalcoatlus is 10 times the weight of t
Japan has created some interesting and innovated products like selfie sticks, Bento lunchboxes and now, wood noodles. 日本创造出了不少奇趣产品,比如自拍杆、便当,还有如今的木制面条。 A textile company, that makes fibre
I make a solemn oath to myself that nothing will retard my new life's growth. I will lose not a day from these readings for that day cannot be retrieved nor can I substitute another for it. I must not , I will not, break this habit of daily reading f