全塑光纤

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(371) / 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(143) / 评论(0) 分类 科技之光

This is scientific American sixty seconds science. I'm Christopher Intagliata. Got a minute? Worldwide, we know of enough uranium to power today's nuclear reactors for another hundred years according to the nuclear energy agency. But scientists say t

发表于:2018-12-24 / 阅读(109) / 评论(0) 分类 Scientific American(八)月

What Makes Windshield Glass So Tough? We tend to think of glass as fragilebut in fact, glass is pretty strong stuff. A flawless fiber of glass pulled lengthwise is five times stronger than steel! Although glass is quite strong, its also very brittlea

发表于:2018-12-31 / 阅读(116) / 评论(0) 分类 英语听力文摘 English Digest

M.I.T. researchers have developed a piezoelectric fiber that would react to electric currents and have the potential to record or produce audio. Clothing is so yesterday. I mean, really, what can it do? It cant pick up sound, or beep at us if somethi

发表于:2019-01-02 / 阅读(125) / 评论(0) 分类 60秒科学

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(145) / 评论(0) 分类 2017年VOA慢速英语(五)月

Very small pieces of plastic, called microfibers, are polluting rivers and oceans. The source of these microfibers may surprise you: your clothes. Clothes worn for outdoor activities and exercise are often made of synthetic material, like polyester o

发表于:2019-01-02 / 阅读(134) / 评论(0) 分类 2017年VOA慢速英语(四)月

Kenya Becomes Latest Country to Ban Plastic Bags Kenya has joined the growing list of countries to ban plastic bags. A new Kenyan law bars the production, sale and even use of polythene plastic bags. People caught breaking the law may be fined up to

发表于:2019-01-03 / 阅读(108) / 评论(0) 分类 2017年VOA慢速英语(九)月

PBX 专用小交换机 PBS 个性化基本服务 PBGA 锡球格状阵列式塑料组装技术 PAGC 全球移动通信系统分机用专用自动小交换机接入 PAD 分组组装拆装,包组装拆装

发表于:2019-01-03 / 阅读(134) / 评论(0) 分类 电信英语

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(190) / 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(147) / 评论(0) 分类 六分钟英语

Clothing is so yesterday. I mean, really, what can it do? It cant pick up sound, or beep at us if somethings wrong. Or can it? M.I.T. researchers say theyve developed a fiber that would allow clothing to eventually do those things. Their study is in

发表于:2019-01-08 / 阅读(134) / 评论(0) 分类 Scientific American(七)月

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

发表于:2019-01-09 / 阅读(148) / 评论(0) 分类 VOA标准英语2011年(四月)

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(133) / 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(152) / 评论(0) 分类 2013年VOA慢速英语(三)月

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

发表于:2019-01-12 / 阅读(198) / 评论(0) 分类 2016年VOA慢速英语(九)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(129) / 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(130) / 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(157) / 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(157) / 评论(0) 分类 VOA常速英语2008年(二月)
学英语单词
absence without leaves
address track
aminoethanol
auction result
azonal soil
bathward
benkhelils
boydenite
by-numbers
C-5
competitive symmetry
composite continuous beam
core inflations
cotton worm
dalyells
din't
DNIC
dodecylguanidin hydrochloride
emetts
enter in force
equivalent virtual braking time
eutamius asiaticuss
export volume
fhia
foetoscopes
followed
generative apospory
growth response
Hankel function of the second kind
Honington
Hydrangea chungii
hysterical double personality
ill feelings
inelastic liquid
intellectual property core
interior space
intracapsular cataract extraction
javad
kurile islands
mbombo
multicomponent diffusion
national industrial traffic league
Ndaouin
nioform
Nubrite
nuclear ship regulation
oligodeoxyguanylic acid
Olympia oyster
once-white
oospararenite
overtime periods
pachycephalous
particularian
peritonsillar abscess
pheneticist
photoheliographs
pine fern
placement of securities
podalgias
power-assisted shift gearbox
prerequisition
prootic bone
radiance
radio direction finding network
remittance cheque
rhizopods
river bull insurance
rosette organ
running soil
sea cell horn mine
self-purging
semi-consonants
sigmoid flexure
signature waveform
slide valve rand
spermatio-
sprinkler box
spurling pipe
straining trestle
supporting functional programming
syrupus senegae
targets
tempetes
terminal manoeuvring area
thermal infrared region
thrust fault trap
tigloidine
toluene arsonic acid
traffic generation
transportation of element
tripod magnifying glass
trochoidal motion
tunnel-fiber
two pedal operation
ubg
undercharging
urohidrosis
vee-jay
violet-tinged
wetly
WFPT
year round