氢氧化钴

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(183) / 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(133) / 评论(0) 分类 2016年VOA慢速英语(八)月

(MA) Scientists are always on the lookout for alternative sources of energy. Today we're going to discuss one that's so plentiful they say it could supply more energy than all the coal and oil in the world. It's found in something called gas hydrate

发表于:2018-12-30 / 阅读(167) / 评论(0) 分类 托福听力短文

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(158) / 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(147) / 评论(0) 分类 2018年VOA慢速英语(十二)月

Japan said Tuesday it had successfully extracted methane hydrate, known as fire ice, from its seabed, possibly unlocking many years' worth of gas for the resource-starved country. In what they are claiming as a world first, a consortium is drilling f

发表于:2019-01-08 / 阅读(126) / 评论(0) 分类 英语阅读理解

Ben Carter Powdered material called dry water, could provide a new way to store carbon dioxide in an effort to fight global warming. Dry water looks a lot like fine white sand, which isn't surprising since what makes it dry is that each tiny water dr

发表于:2019-01-14 / 阅读(170) / 评论(0) 分类 VOA标准英语2010年(九)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(124) / 评论(0) 分类 CNN美国有线新闻2018年7月

It's very hard to tell. We've just hit the water. It's very hard to tell what altitude we're at. We've crashed the airplane at 930 feet. It seems clear that flying into that methane caused enough confusion in the instruments and with Thomas and he en

发表于:2019-01-22 / 阅读(183) / 评论(0) 分类 自然百科2010年

[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(190) / 评论(0) 分类 英语六级听力练习集锦

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(160) / 评论(0) 分类 英语新闻

本期内容: How much you sweat doesn't necessarily correlate with the intensity of your workout. It is due to a number of factors, including gender (men tend to sweat more than women) and age (younger people sweat more than older people) as well

发表于:2019-02-20 / 阅读(129) / 评论(0) 分类 夏说英语新闻晨读
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abraco
acoustic minehunting
acoustic radiation
Aghoueyyit
agroecological economics
amphiscians, amphiscii
appassionata
axymyiid
ball handling
bamboo-stand regeneration
be there for
beaux yeux
birchen
boltropes
Braunston
break herd
buckling limit
calibration regulator
candlepins
chf.
clock-pulse generator
closed cardiac massage
colalloy
comparative spot
complicator
Ctrl N
cylinder wall thickness
default keyboard monitor
detainal
diode steering
discharge overside
Doctor of Osteopathy
double strand drag conveyer
Eklutna Indian Reservation
eSuite
family mammutidaes
fasciculated fibroma
feverets
fosterhood
genus orioluss
greybeards
grid telescoping
ground reaction
haematocolpometras
injector circulation
interosseous cartilage
invalid argument
jodargyrite (iodargyrite)
kingsmill group
lactaciduria
left internal jugular vein
line generator
Lubin-Tate formal group
magombe
Manuel Urbano
mbi-es
medium persistence phosphor
Melampaidae
methyl-telluride
Monarda citriodora
myo-endocarditis
nail-glued truss
nasim
neg us
net reserves
neuralgically
no surplus stock
outcrosser
paraphronesis
perforations
pinch-off blade
plexus brachialiss
podorhizol
poorly heated
pork roasts
praemiums
propoxy phene hydrochloride
record separator (rs)
relegalized
resonance oscillation
rye
seedliker
semioticists
single-axis accelerometer
six-gilled shark
Smethport
spin infrared sensor
stepmamma
straight blade dozer
Stranvaesia tomentosa
sweet wormwoods
syntonical
tiger grass
Tupistra pingbianensis
typhomalarial fever
uncriminal
wasting
whitely
widodo
Wutkon
xyloquinone
yep