纸浆法纸;打浆法纸

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

发表于:2018-12-07 / 阅读(96) / 评论(0) 分类 英国学生科学读本

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

发表于:2018-12-08 / 阅读(383) / 评论(0) 分类 赖世雄高级美国英语

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

发表于:2018-12-16 / 阅读(111) / 评论(0) 分类 2011年VOA慢速英语(七)月

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

发表于:2018-12-18 / 阅读(93) / 评论(0) 分类 英国学生科学读本

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

发表于:2018-12-27 / 阅读(82) / 评论(0) 分类 英语时差8,16

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

发表于:2018-12-27 / 阅读(92) / 评论(0) 分类 英语时差8,16

When Good Bananas Go Bad 当香蕉开始腐坏 Have you ever wonder why bananas seem to go bad so quickly? And why do they develop those brown spots? 你是否曾好奇过为什么香蕉特别容易坏掉,并长出棕色的斑点呢? Well, those

发表于:2018-12-28 / 阅读(105) / 评论(0) 分类 初学者听力文摘精选

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

发表于:2018-12-28 / 阅读(137) / 评论(0) 分类 轻松英文阅读

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

发表于:2018-12-28 / 阅读(103) / 评论(0) 分类 美国学生世界地理教材

[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

发表于:2019-01-10 / 阅读(350) / 评论(0) 分类 北师大版高中英语模块7(选修)

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

发表于:2019-01-11 / 阅读(88) / 评论(0) 分类 VOA慢速英语2009年(七)月

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

发表于:2019-01-11 / 阅读(194) / 评论(0) 分类 VOA慢速英语2008年(二)月

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

发表于:2019-01-13 / 阅读(87) / 评论(0) 分类 VOA标准英语2009年(十二月)

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

发表于:2019-01-18 / 阅读(132) / 评论(0) 分类 名校励志英语演讲

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

发表于:2019-01-28 / 阅读(109) / 评论(0) 分类 英语博客 A cup of English

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

发表于:2019-02-14 / 阅读(110) / 评论(0) 分类 中英双语新闻

【Transcript】 Y: So Don, yesterday I was walking down the produce aisle when I saw it--long, ripe,yellow. The perfect banana. It really looked delicious and I had to have it. I took it home and hung it on a banana hanger. The very next morning, it

发表于:2019-02-16 / 阅读(165) / 评论(0) 分类 英语听力广播—Listening

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

发表于:2019-02-16 / 阅读(99) / 评论(0) 分类 英语听力文摘 English Digest

Y: So Don, yesterday I was walking down the produce aisle when I saw it--long, ripe,yellow. The perfect banana. It really looked delicious and I had to have it. I took it home and hung it on a banana hanger. The very next morning, it developed nasty

发表于:2019-02-16 / 阅读(100) / 评论(0) 分类 英语听力文摘 English Digest

LONDON, June 16 (Xinhua) -- Drillings and fillings at the dentist's are always dreadful and make tooth decay treatment very unpleasant. But British scientists have developed a new approach of fixing tooth decay, which could get rid of all the drillin

发表于:2019-02-18 / 阅读(137) / 评论(0) 分类 英语新闻
学英语单词
a drill
a.l.s
acceptance on security
accounting software
adenocarcinoma of prostate
alcohol soluble phenolic resin varnish
alpha-methylphenethylamine
angular section
anhydious plumbic acid
anode conductor
anomalopsis katoptron
Anopheles pharoensis
antenna oscillation
ash formation
be the picture of despair
bilabe
c-rich
Carl Gustav
caught on a filter
choco lab
Clearstream International
CloudAV
Colney Hatch
color-frequency control coil
combination value of actions
commission charge
cupola dust arrester
detector audio modulation
drafthorse
dyall
egg-albumen bouillon
electrical null position
energy treatment of seed
enve
Estonian Kroon
ethylene oxide condensate emulsifier
federal tax liens
forage radish
graph table
handling technological process
harazin
hollow-backed saw
hwarang
illuminated face
imperiali
in a given jurisdiction
ink mist process
inphase radiations
island grey fox
k-edge colorable graph
Karamojo
knawed
Kφng
laetiporus sulphureus
lichen systematics
lienard
lymphoglandulae
millrynds
monolinguists
multi protocol label/layer switching
Neuropathogeny
no call
non-living
nontotients
notational expression
numerical interpolation
obesest
Panstrongylus geniculatus
parallel route
Persian G.(Arabian G.)
petrifies
polytonalism
postobstructive
preantepenultimates
queen maud ld.
quintom
relationship of keys
Rhamnus coriophylla
safflors
scape-goats
Sewak
shallow water wharf
Shelter Pt.
shotwell
slenderness
slope about
soubriquets
Staphyiokinase
stationary system
test work group
the foot of a wall
thermal expansion anisotropy
tiger shrimpprawn (penaeus monodon)
traction unit
Trenton Computer Festival
tunica argentea
tutilage
unit-step
universitet
Vietic
white synthetic baking enamel
xylenesulfonate