塑胶钴

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(144) / 评论(0) 分类 科技之光

By David Lewis A natural resources watchdog group issued a report Tuesday warning that smuggling and corruption are costing the Democratic Republic of Congo millions of dollars a month in lost revenue

发表于:2018-12-08 / 阅读(175) / 评论(0) 分类 VOA2004(下)--世界经济

AS IT IS 2016-07-29 Congo's Small Miners Fill Hole Left by Big Businesses 刚果小矿工填补大企业留下的洞穴 As large mining companies in the Democratic Republic of Congo are eliminating jobs, government officials are expanding the role of

发表于:2018-12-16 / 阅读(129) / 评论(0) 分类 2016年VOA慢速英语(八)月

Cerumen, it's a lovely word a specially considering that's called ear wax. And we are not the only species that produce this stuff, some whales build up waxes along with lipids and carotene protein into what's called earplugs. And researchers now kno

发表于:2018-12-24 / 阅读(93) / 评论(0) 分类 Scientific American(九)月

Artificial Muscle Brings Back Blink A study in the Archives of Facial Plastic Surgery reports the development of an artificial muscle system that could restore the ability to blink to stroke and injury patients. Cynthia Graber reports Most of us blin

发表于:2019-01-02 / 阅读(242) / 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(146) / 评论(0) 分类 2017年VOA慢速英语(五)月

Australian Scientists Propose a Telescope to Look Deep Underground Scientists in Australia want to build what they describe as a downward looking telescope to look for mineral wealth under the Earths surface. The telescope is really a project aimed a

发表于:2019-01-03 / 阅读(148) / 评论(0) 分类 2018年VOA慢速英语(十)月

BMW Joins Project to Improve Mining Conditions in Congo German carmaker BMW is exploring ways to improve working conditions at cobalt mines in Congo. 德国车企宝马正在寻找方法以提升刚果钴矿的工作环境。 Cobalt is a hard, shiny

发表于:2019-01-06 / 阅读(141) / 评论(0) 分类 2018年VOA慢速英语(十二)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(191) / 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

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

This show is centered on an in-depth report that concerns child labor, a large African country and the element of cobalt. We're explaining how all those things are tied together. First, the issue of child labor. The United Nations defines this as wor

发表于:2019-01-19 / 阅读(119) / 评论(0) 分类 CNN美国有线新闻2018年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(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

[00:00.00]Listening Comprehension (20 minutes) [00:-1.00]Section A [00:-2.00]Directions:In this section,you will hear 10 short conversations.At the end of each conversation,a question will be asked about what was said.Both the conversation and the qu

发表于:2019-01-25 / 阅读(181) / 评论(0) 分类 英语六级听力练习集锦

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

As China Molybdenum announced it was buying one of Africas largest copper mines earlier this month one thing was soon clear: the acquisition was about far more than the red metal. 随着洛阳钼业(China Molybdenum)本月早些时候宣布正在收购

发表于:2019-02-08 / 阅读(156) / 评论(0) 分类 英语新闻
学英语单词
alternate sector cylinder
anaphones
Aramaics
beckonest
bescribble
bio feedback
blast freezer
breathalyser,breathalyzer
brim over
Brusand
capital outlays
Cardenadijo
channel-check handler
chevron weave
cholelithiasis
closed amputation
coarse-grained soil filler
contact-type instrument
cooold
default of apperance
dewatering ditch
dielectric mirror
drawabilities
dripdry
drive shaft of transmission
due at
dysembryomas
East District
electrochromic display
Enguri
equipotentialities
external buoyancy
finedrawn
fineness of gold
fire-effected
first coat of plaster
forecast of cash position
Gauss plane coordinate system
giant armadillo
granular membrane
growes
horizontal centering
horizontal lode
horned circuit breaker
hyssop
in-pile loop test
in-rudder
interevent
intermarkets
ISDB-S
Java Champion
jodels
khalkidhiki (chalkidiki)
khor
leader slantable angle
liquid phase chromatography
loungecore
low-stop filter
lower crust
make a swoop at
making people
metadiagenesis
meter display
middle scalene muscle
mo-fo
Nelson, Estrecho
Neuravensburg
notify to
off return memory
offside lay
optics of polarized light
outhousing
overenthusiastic
oxfendazole
paul langerhans
pianic osteoperiositis
preponderantly
pyridine-4-carboxylic acid
rarish
ratchet casing bushing
recessed pointing
regenerative feed system
rudder deflection
rust inhibitors
sacramental manductions
scolopocryptops melanostomus
security right in the goods
seed pearl
semitransparent mirror splitter
sepsis albopunctata
statistic test
stiff shoulders
sub-funds
suspended pedal
Transkeian
travelmates
twopenny tube
vertical panning
vertically stacked loops
wave scatter diagram
whatever creams your twinkie
White L.