塑性后效

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(426) / 评论(0) 分类 英语专业四级听力50篇

> 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(188) / 评论(0) 分类 科技之光

By Nancy Steinbach Broadcast: November 19, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. When scientists want to test the effectiveness of a new drug, they usually divide

发表于:2018-12-15 / 阅读(179) / 评论(0) 分类 VOA2003(下)-环境与健康

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(169) / 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(203) / 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(223) / 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(177) / 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(158) / 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(159) / 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(182) / 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(170) / 评论(0) 分类 VOA标准英语2012年(六月)

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(158) / 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(190) / 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(189) / 评论(0) 分类 六分钟英语

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-05 / 阅读(183) / 评论(0) 分类 英语每日一词

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(204) / 评论(0) 分类 VOA常速英语2008年(二月)

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-13 / 阅读(229) / 评论(0) 分类 英语单词荟萃

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(274) / 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(205) / 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(202) / 评论(0) 分类 英语趣味课堂
学英语单词
.z
a fall guy
adenoma of testis
ADOS
alto-relievo map
anglish
anti-ballistic
Araquari
axle box guide
Bainite quenching
Bettinus
biocatalyzators
broken wave height
cavernous sinus thrombosis
certification and accreditation
cessibility
chain-mails
chattis
check ball
comedoes
construct in a representation language
defuelling system
diabetes-obesity syndrome
dicloran(BSI)
direct-current working voltage
eat like
edge steepness of edge filter
electrical code
ensenada
Eppelsheim
Feiffer, Jules
fibrous sheath of tendon
finder light
French National Institute of Industrial Property
front jump
fuel detergency
general achievement test
genyornis
global citizen
gravity water wheel
guignardia mangiferae
hemogastric
Idritsa
initial cycle
instrument and meter factory
iodostarch reaction
joint clearance gauge
kewpie doll
limitation of mouth opening
long method
looves
low water stand of tide
millionth-scale map of the worlod
modern container terminal
mordkovitch
muscle raspatory
nasal groove
ne-ne
nonane-decanoic acid
Omama
oxidative assimila-tion
paid share
Palestrina, Giovanni Pierluigida
papot
penalty for violation of regulation
perennial fluid
peristomial ovicell
pleopus
pre-kallikrein
prelects
prestressed road
pumping lemmas
qi gong
rapidity of firing
Regional Cooperation Organization for Development
resurfacing
ribbonry
round bush
semidecidable
Sharif
Shlino, Ozero
sintering test
slavocratic
sound archive
spinelite (spinel)
suppresser genes
tachylite(tachylyte)
tactical trainer center (ttc)
tenericutes
tetra toona
traction current
turkese
unit interval at the commutator
unprioritised
uprated engine
values transfer
vanadyl
weight correlation bias
well-favoureds
White Church
witnesse
wood nettles