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
学英语单词
a great lot
activity learning
agrisciences
Alpha-Glycogen
angled stud
annual oscillations
as cross with a sore head
at the door of
atmospheric diffusion
azoline
ball growth by assimilation
beaded screen
bevell
Canchas
central shut-down rod
chickling
coaxial-torus condenser
cold-rolling property
common share
cone blender
coraciass
coursons
demi-season
diazo paper, diazo print
direct-axis component
display element
drive a quill
eleocharis palustris r.br.
feed roll driving rod
Flip.
generation-gap
genus baphias
genus Limax
gingivoperiodontitis
ginnywink
given time
Grand-Lahou, Dép.de
head holsing pedestals
head-teacher
high temperature high shear
hit against on
idling time
inclement
injected bodies
intermediate obligation
intermediate ports
intratarsal joint
Islaam
joint non-parametric confidence interval
lehiite
light drilling boom
liquid volume viscosity
madea
magnesium aluminum glycinate
mangankoninckite
master track link
mattar
mete yard
methier
minigame
missing you
model-reference adaptive control
multi-cylinder pump
Nabou
nanokatals
national defense budget
near-surface seismic effect
no match for
nonlinear scale
nonreactive
nunciation
olive copper ore
on all sides
outstable
paper-based
pass certificate
perill
pitch pocket
plesiosaurs
polyetiological
possible power generation
principato
prominence knot
pygidial shield
radial chromatography
radiotracker
raised apex lands
rectourethral
revenue from own sources
run the enterprises industriously and thriftily
soave
steal somebody's thunder
Sturmer
supersault
sweeties
Tahoe Lake
tatoo
total parthenoge-nesis
unifoliate compound leaf
unsympathising
yellow-and-greens