非水溶液浸出

This is one of the reasons why Canada, 这就是为何加拿大 originally a climate change hero -- 它原本是环保英雄- we were one of the first signatories of the Kyoto Accord. 我们是第一批签署京都议定书的国家之一 Now we're

发表于:2018-12-08 / 阅读(116) / 评论(0) 分类 TED演讲娱乐篇

Over centuries, the Irish built a rich heritage of castles and monuments, using an abundance of local stone. Now many of the structures are damaged. The stone is decaying. Thanks in part to Irelands notoriously damp weather, these sites are in danger

发表于:2018-12-26 / 阅读(141) / 评论(0) 分类 自然百科2010年

Broadcast: Apr 02, 2003 The investigation into what caused the break-up of the U.S. space shuttle Columbia supports the theory that a left wing panel broke off during its mission, possibly playing a r

发表于:2019-01-03 / 阅读(169) / 评论(0) 分类 VOA2003(上)-科技先知

Study: African Aluminum Pots Contain Lead 研究表明非洲铝锅含有铅 Locally made aluminum pots in Cameroon, and probably in much of Africa, are likely to be contaminated with lead ( (Courtesy: Occupational Knowledge International). Locally ma

发表于:2019-01-14 / 阅读(108) / 评论(0) 分类 VOA标准英语2014年(八月)

From Haridwar. I followed the Ganges more than 300 miles South east to the major industry city. India's population has more than doubled in the last forty years. It's now more than 1.2 billion people in the country. The impact on the river has been a

发表于:2019-01-16 / 阅读(87) / 评论(0) 分类 自然百科2015年

And we're replacing that with the largest industrial project in the history of the world, 将它转变成史上最大的工业项目, which is producing the most high-carbon greenhouse gas emitting oil in the world. 生产温室气体排放量最大的

发表于:2019-01-18 / 阅读(114) / 评论(0) 分类 TED演讲商业篇

Over centuries, the Irish built a rich heritage of castles and monuments, using an abundance of local stone. Now many of the structures are damaged. The stone is decaying. Thanks in part to Irelands notoriously damp weather, these sites are in danger

发表于:2019-01-22 / 阅读(139) / 评论(0) 分类 自然百科2009年

Parenting on the move is all about sacrifice. And in the forests of northeastern Australia, another great journey spurred by parental dedication is about to begin. On translucent tawny wings, a little red flying fox flaps homeward after a night of in

发表于:2019-01-22 / 阅读(89) / 评论(0) 分类 自然百科2011年
学英语单词
-bility
able to
alternating burst
andouille sausage
angiorhigosis
antibiotic-assoeiated(pseudomembranous)colitis
Ardanuc
at that present
Aulosteges
backpedal
bacterias
Barhi
Bceometasone
beauty sense in medicine
bob mathiass
boutell
cementation factor
cloutman
colour soil
commercial base
concordancing program
conditional construction
conservation of moment of momentum
cumulus pileus
Curette method
Dalea spinosa
deeping
defect center
dittying
double butt riveted joint
duckbutter
Ebina
extend out
foyson
full-metal
glottal catch
gold auctions
horizontal sliding wheel
hypochromic
image aerial
infuscations
initating task
international patent
jaw prop
Joplin, Janis
jurassic-cretaceous
kephalepsalis
laicisations
lake vanerns
lump-sum write off intangibles
lycanders
mass-spring system
mechanical derusting
megacolony
mercement
Miscanthus floridulus
mixed arch furnace
monoboard computer
moonpool door
Nera, Fiume
occipital diploic vein
paraphyllia
Persepolitan
pilot pin operating limit switch
placeable
play on someone
plebejus
portor marble
post-freest
preactivated
presynaptic receptor
priming action
prisoners
prothoraces
quick lock in
radiological flaw detection
ranch hands
ratawi (ar ratawi)
recharter
recreants
recreation building
regional price differentials
Represa, Ensenada
scuddings
semi-works production
shot-stoppings
speave
strategic information system
submarine telegraph
sweet chestnut
tank ass
Tompkins, Daniel D.
Toulnustouc R.
trackwidths
trade off decision
twin killing
vectorizers
velocity sensitive transducer
verticals
vtech
widespread drive
worsthornes