塑性摩擦

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(388) / 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(158) / 评论(0) 分类 科技之光

Why Does Plastic Wrap Cling To Itself? What makes kitchen plastic wrap cling so maddeningly to itself, and so conveniently to the sides of bowls and plates? Plastic wrap clings for two reasons: its elastic and its sticky. That probably seems pretty o

发表于:2018-12-31 / 阅读(134) / 评论(0) 分类 英语听力文摘 English Digest

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(161) / 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(202) / 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(156) / 评论(0) 分类 六分钟英语

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(138) / 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(161) / 评论(0) 分类 2013年VOA慢速英语(三)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(136) / 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(153) / 评论(0) 分类 听一分钟英文-P

By Peta Thornycroft 22 November 2007 The political future of Morgan Tsvangirai, the leader of Zimbabwe's divided opposition Movement for Democratic Change, is facing challenges. As Peta Thornycroft reports for VOA, many of his closest associates are

发表于:2019-01-31 / 阅读(123) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Andre de Nesnera Washington 11 October 2007 Relations remain tense between Russia and Georgia several weeks after Georgian forces killed two Russian military officers in the Georgian separatist region of Abkhazia. In this background report from Wa

发表于:2019-01-31 / 阅读(143) / 评论(0) 分类 2007年VOA常速英语(十月)

By David Gollust State Department 16 July 2007 The State Department said Monday there is no rift between the Bush administration and former British Prime Minister Tony Blair over his new role as envoy for the international Middle East Quartet. Mr. Bl

发表于:2019-02-02 / 阅读(211) / 评论(0) 分类 2007年VOA标准英语(七月)

Iron beforehand. Iron your clothes to ensure they are wrinkle-free before putting them in your suitcase。 事先熨烫。先将衣服熨一下,以确保它们在放进行李箱前没有褶皱。 Button up your shirts. Dont forget to button or zip

发表于:2019-02-03 / 阅读(137) / 评论(0) 分类 阅读空间

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(164) / 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(173) / 评论(0) 分类 VOA常速英语2008年(二月)

Iron beforehand. Iron your clothes to ensure they are wrinkle-free before putting them in your suitcase. 事先熨烫。先将衣服熨一下,以确保它们在放进行李箱前没有褶皱。 Button up your shirts. Dont forget to button or zip up

发表于:2019-02-13 / 阅读(117) / 评论(0) 分类 阅读空间

BEIJING, June 12 (Xinhua) -- Pressure from trade frictions has continued to increase this year for Chinese enterprises, while further challenges are expected in the future, a commerce official said. Li Chenggang, head of the Department of Treaty and

发表于:2019-02-18 / 阅读(132) / 评论(0) 分类 英语新闻

BEIJING, Apr. 16 (Xinhuanet) -- China and the United States will experience more trade friction in the high-end manufacturing sector, as Washington protects its domestic industries, officials said on Sunday. Friction will surely increase as China and

发表于:2019-02-18 / 阅读(164) / 评论(0) 分类 英语新闻

China, EU to negotiate over solar panel friction BEIJING, Sept. 11 (Xinhua) -- The Chinese government on Tuesday sent a delegation to Europe to negotiate with the European Union (EU) about the trade friction over solar panel imports. The delegation,

发表于:2019-02-25 / 阅读(213) / 评论(0) 分类 英语新闻
学英语单词
a-frame
acipenser oxyrhynchus
agchylolaimic
airworthiness requirements
amanita neo-ovoidea
American senna
astronomical fixation
attesting witness
baregine
bartlit
biplanar
brittle boundary technique
bronchoscopia
bucco or oro- hypophysis duct
Caenognathus
cellular solid
Chirita pteropoda
coalitionists
coastal water
contract of annuity
contraction of tensor
cottrell-lomer dislocation locking
crime passional
cuspidatin
demand error
designcares
deyar
Dharmpur
diazotize
doctor's disease
draft of foreign currency
electrohemostasis
ephesian
explique
freedom from bias
freemason music
gas-filled radiation counter
genus Haliaeetus
groghouses
have holidays by turns
hexcalc
hooklike
ideal crack
immersion couple
infrared pointing control
integrated illumination
krc
lacrima christi
Lajawa
lendable
light-duty derrick
luller
Maha Sarakham
mainrent
maximal flow algorithm
melting process
millgate
mucous connective tissue
muscadels
NDR
New World chat
NGH
order Papaverales
overall unit protection
pardessus
poney truck
pop-eyeds
Port Phillip District
propadienes
pseudo-discipline
ram-airs
reduced pressure distillate
reentre
rengne
retro type lens
royal tunbridge wells (tunbridge wells)
saleable articles
scale-like
shocking and awing
shoddyism
signalflow graph
spina ventosa
subcontinuous
Swedish literature
tahas
tear drop canopy
teratoma autochthonum
tetranorditerpenoid
tidy up
titration kit
top dressing of fertilizer
translation motion
turn-push button
twin clicking machine
unthriftiness
varsoviana
vestibulum vagin?
walking encyclopaedia
Weisskugel (Bianca, Palla)
wellbrights
white-headed stilts
yaobang