英国学生科学读本 第81期:一张纸(2)

The torn rags are then boiled in water to which lime and soda have been added. This mixture removes all grease, stains, and colouring matters. The clean white rags are next put with water into another machine, which pulls the fibres apart, tears them

赖世雄高级美国英语 lesson 23

Paper's Long March 纸张的演进 Remember when the 1980s brought us the first wave of the modern computer and electronics revolution？ At that time， heady young technocrats forsaw the paperless office. It was claimed that paper would become a thing of

VOA慢速英语2011--How to Do It: Making Paper by Hand

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

英国学生科学读本 第106期:棉花树

The Cotton Tree 棉花树 Sing well fare the cotton-tree! 一起来祝愿棉花树 Bravely may it grow， 长大吧，发出勇气的光彩！ Bearing in its seeded pod 让种荚里藏身的棉朵， Cotton white as snow! 像雪花一般洁白！ Spi

【英语时差8,16】厨房造纸术

How To Make Paper In Your Own Kitchen Paper is an indispensable part of modern life. In fact, each American uses about 600 pounds of paper every year. Where does all this paper come from? Actually，paper making technology is really quite simple, so

【英语时差8,16】Spot the Fakes 识别真假英镑

Ever since money was invented there have been people trying to fake it. Thats why its important for everyone to know how to spot a fake banknote. And the best thing to do is to know by heart what genuine notes should look like. Here is our expert Lee

【轻松英文阅读】弹力牛仔裤

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

美国学生世界地理教材 第135期:鱼儿、峡湾、瀑布和森林续(3)

On the tops of the mountains there are vast fields of snow and ice like frosting on a huge cake, 山顶有大片大片雪和冰，就像一块巨大的蛋糕上撒满了糖霜。 but as this snow and ice sinks down to the valleys it melts and the wat

简单慢速英语阅读：A Cup of Coffee

He filled the pot with water. He put the pot on the burner. He put a lid on the pot. He turned on the burner. He took a bag of coffee beans out of the cabinet. He opened the bag. He poured some beans into the grinder. He ground the beans in the grind

Indian Scientists Invent Nose Filter to Protect Against Air Pollution

From VOA Learning English, this is the Health Lifestyle report. In parts of India, it is not uncommon to see people wearing a mask over their nose and mouth. The capital, New Delhi, has some of the world's dirtiest air. The pollution was a call for a

北师大版高中英语模块7--Unit 20 New Frontiers 1

[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

VOA慢速英语2009年-Development Report - How to Do It: Making

This is the VOA Special English Development 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 strips of the papyrus plant. Modern paper-making began

VOA慢速英语 2008 0204a

This is the VOA Special English Development 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 strips of the papyrus plant. Modern paper-making began

书页可以提供安全饮用水

AS IT IS 2015-08-28 Book Pages Could Provide Safe Drinking Water 书页可以提供安全饮用水 The expression a thirst for knowledge may soon have a new meaning for millions of people who have no way to get clean water. Researchers have developed

VOA标准英语2009年-Don't Worry About that Loud Thump at t

It's just the latest batch of holiday catalogs arriving Ted Landphair | Washington, DC 23 December 2009 Photo: Nenyaki, Flickr Creative Commons There aren't many full-service department stores any more and thus, not many Christmas window displays, ei

VOA标准英语2014--Ancient Papyrus Reed Could Hold Key to Water Conservation

Ancient Papyrus Reed Could Hold Key to Water Conservation Ancient Egyptians turned papyrus into paper and provided the world with it for thousands of years. Hundreds of thousands of books in the Royal Library in Alexandria and Rome's 58 public librar

名校励志英语演讲 183:一切皆有可能(5)

We grew up believing that being Chinese was the greatest advantage in life; in our house, everything important in life came from China, was invented in China, owed all to the Chinese. 我们始终相信作为中国人是生活中最大的优势。在我

英语博客(A cup of English):Robert's harvest

Beginners. I walked into the kitchen this afternoon, and I found my son, Robert, climbing through the kitchen window. What on earth are you doing? I asked him. I wanted to open the window so I can pass you all my pumpkins. Okay, I replied, still a bi

中英双语新闻——144 Bag them or ban them

We all know plastic bags are bad for the environment. They litter the landscape and pose a threat to wildlife. 众所周知，塑料袋危害环境。乱丢塑料袋破坏自然景观，还对野生生物构成威胁。 Discarded plastic bags accumul

英语听力文摘 English Digest 106、识别真假英镑

Ever since money was invented there have been people trying to fake it. Thats why its important for everyone to know how to spot a fake banknote. And the best thing to do is to know by heart what genuine notes should look like. Here is our expert Lee