塑料的固性极限;塑性屈服点

We use plastic wrap to protect our foods. We put our garbage in plastic bags or plastic cans. We sit on plastic chairs, play with plastic toys, drink from plastic cups, and wash our hair with shampoo from plastic bottles! Plastic does not grow in nat

发表于:2018-12-01 / 阅读(410) / 评论(0) 分类 英语专业四级听力50篇

16 Getting Plastic Surgery GLOSSARY plastic surgery / cosmetic surgery one of many medical procedures that involves cutting into ones skin to make one more attractive or beautiful * Shes thinking about having plastic surgery to make her nose smaller.

发表于:2018-12-03 / 阅读(314) / 评论(0) 分类 2009年ESL之就医和人际交往

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 even It's even colder than yesterday.

发表于:2018-12-05 / 阅读(192) / 评论(0) 分类 每日攻克5词

> 08 新型塑胶制品的应用 DATE=3-1-01 TITLE=SCIENCE REPORT- Self-Healing Plastic BYLINE=Mario Ritter (Start at 59

发表于:2018-12-07 / 阅读(177) / 评论(0) 分类 科技之光

Technology Report - Could Waste Plastic Reduce Our Need for Oil? 科技报道 - 塑料制油技术是否可以减少美国的石油需求 From VOA Learning English, this is the Technology Report in Special English. 这里是美国之音慢速英语科技

发表于:2018-12-16 / 阅读(158) / 评论(0) 分类 2012年VOA慢速英语(十一)月

Researchers may have found an unusual way to reduce plastic pollution, one bite at a time. It turns out that the common wax worm can eat plastic. Also known as the Galleria mellonella, these worms may help reduce the waste caused by plastic bags. Eac

发表于:2019-01-02 / 阅读(193) / 评论(0) 分类 2017年VOA慢速英语(五)月

By Ted Landphair Washington 09 August 2007 Every day, American consumers are offered a simple choice when they areby a store's cashier: paper or plastic? But as VOA's Ted Landphair explains in today's searching for solutions report, some communities

发表于:2019-01-07 / 阅读(217) / 评论(0) 分类 2007年VOA标准英语(八月)

Finn: Hello, I'm Finn, welcome to 6 Minute English. With me in the studio today is Neil. Neil: Hi there, Finn. Finn: Hello Neil. Today we have a royal story about Catherine, Duchess of Cambridge - or as she is still often known - Kate Middleton. Neil

发表于:2019-01-07 / 阅读(172) / 评论(0) 分类 六分钟英语

Thin plastic bags are the ultimate throwaway item. Used once to tote groceries, the thin white bags often go on to second lives as permanent pollution and an eyesore. So a host of countries, cities and other governments have banned them or forced con

发表于:2019-01-08 / 阅读(150) / 评论(0) 分类 Scientific American(八)月

Plastic Recycling From VOA Learning English, this is EXPLORATIONS in Special English. Im Kelly Jean Kelly. And Im Christopher Cruise. Today we follow plastic bottles and other plastic objects as they go to one of the largest recycling centers in the

发表于:2019-01-12 / 阅读(156) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - Plastic Recycling From VOA Learning English, this is EXPLORATIONS in Special English. Im Kelly Jean Kelly. And Im Christopher Cruise. Today we follow plastic bottles and other plastic objects as they go to one of the largest recycling

发表于:2019-01-12 / 阅读(173) / 评论(0) 分类 2013年VOA慢速英语(三)月

Bottles to Flake: Plastics Journey Continues They traveled hundreds of kilometers before today. Now begins the next leg of a journey that spans the entire globe. Welcome to one of the United States largest plastic recycling plants. On an average week

发表于:2019-01-13 / 阅读(164) / 评论(0) 分类 VOA标准英语2012年(六月)

DAVID GREENE, HOST: Few inventions in modern history have been as successful as plastic. It's in vehicles, building materials, most of our electronic devices. We wrap stuff in it. Maybe we even wear it. Now a research team has tallied up how much pla

发表于:2019-01-16 / 阅读(132) / 评论(0) 分类 2017年NPR美国国家公共电台7月

Its amazing to think there wasnt any plastic one hundred years ago. Now its everywhere. Almost everything thats made has some plastic in it. Whoever invented it must be really rich. There are all kinds of plastic. Its pretty useful stuff. I once went

发表于:2019-01-21 / 阅读(151) / 评论(0) 分类 纯正英语一分钟

Its amazing to think there wasnt any plastic one hundred years ago. Now its everywhere. Almost everything thats made has some plastic in it. Whoever invented it must be really rich. There are all kinds of plastic. Its pretty useful stuff. I once went

发表于:2019-01-24 / 阅读(180) / 评论(0) 分类 听一分钟英文-P

Plastic Pollution NB: This is not an accurate word-for-word transcript Dan: Hello and welcome 6 Minute English from the BBC. Im Dan Walker Smith and today Im joined by Kate. Kate: Hello Dan. Dan: Now today Kate and I are talking about pollution. Kate

发表于:2019-02-04 / 阅读(183) / 评论(0) 分类 六分钟英语

By Robert Raffaele Washington, DC 12 February 2008 Tests on several plastic baby bottles have found they emit very significant levels of a chemical linked to deadly illnesses in laboratory animals. That is according to a new report released by Americ

发表于:2019-02-07 / 阅读(197) / 评论(0) 分类 VOA常速英语2008年(二月)

Voice 1 Thank you for joining us for Spotlight. Im Liz Waid. Voice 2 And Im Ruby Jones. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Todays Spotlight i

发表于:2019-02-21 / 阅读(267) / 评论(0) 分类 环球英语 Spotlight

They were at a deli in lower Manhattan. They ordered a ham sandwich with the works. The worker behind the counter was wearing plastic gloves. They watched him put ham, onion, tomato, and lettuce on each roll. He put the rolls on paper plates. He hand

发表于:2019-02-22 / 阅读(197) / 评论(0) 分类 英文短篇故事(纽约)

Todd: What do you think about plastic surgery - you know, like, especially lip implants, breast implants? Wendi: Yeah, absolutely. I would be like, maybe like four years ago, I was like, No if you do that kind of thing you are so vain. That's so not

发表于:2019-03-06 / 阅读(195) / 评论(0) 分类 英语趣味课堂
学英语单词
4-(dimethyltriazeno)imidazole-5-carboxamide
Abelian transformation
accidental
agent of overseas principal
alternate airport
amorphous acardius
Amplexicarinia
anti-freezing solution
armchaired
array-type microspectrometer
audio-in
Authenticode
azidinblue
batzens
block dump
blue tinted glass
CaC2O4
Caer
candytufts
carak
Chastyye
cidariplura shanmeii
CNIEC
Coana
compound impulse turbine
coniosporium lagerstroemiae
constant current limiting circuit
coryniform
Costa Mesa
crossdressers
curlock
cutch
data keyboard
de-centralize
depreciation-appraisal method
dialkylamine
diaphragm post
diffusion cascade
Down breeds
energy salinity gradient
enlibra
exercising
external application of Chinese medicine
ferrular
fibre-optic system
fixed phagocytes
flange cast iron stop valve
fluorocarbon elastomer
forgetful of
Fort Madison
front housing unit
G. D. R.
Gable, (William) Clark
geomys bursariuss
go out on the spree
gyrostabilized
hemophilia
IFRU (interference rejection unit)
imdb
in agony of pain
incisal guidance pin
jacquard weight
jugsful
knevitt
land exhaustion
Lepley-Hull hypothesis
minimum password age
muscle stripes
night mode
non-numeric character
percomorphis
peridia
polysulphanes
postcava
programming language revision
pure winter weasel's hair brush
resorcin
rootstem transition region
scapular bone
second-choice
secondary lens fibers
self-roasting
sememically
series of trains running at similar speeds
sodosha
Souris River
stained-glass windows
Streptothrix polychromogenes
subcuneiform nucleus
suppeditations
tebufelone
texture simulation
timing circuti
tourjee
tuberaceous
tuberculous peritonitis
turboshafts
uk -busting
ulus
water cooling arrangement
written in water