碳酸盐浸取

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(110) / 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(136) / 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(165) / 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(103) / 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(82) / 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(107) / 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(133) / 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(86) / 评论(0) 分类 自然百科2011年

日常生活中,意外伤害很难避免。如果我们不及时救治或者操作不当的话,很可能会对自身或者他人的身体造成伤害,所以,掌握一些急救常识非常必要。下面我们来看一段关于学习急救的对

发表于:2019-02-26 / 阅读(134) / 评论(0) 分类 英语口语
学英语单词
a divorce mill
Acanthosomatidae
acid chrome black
angle of ship element
anomiidaes
antenna terminals
Bodenteich
broadcast channel designs
c-band
Calmazina
cargo compressor
chromium doped ruby crystal
cleaning shoe
commmunity
concentrate cyanidation tails
contravariant base vectors
control storage processor
crystal complex
cushy
decoction made from powder
diaporthe conorum (desm.) nissel
diffusion of focus
direct gas-cooling
double speed gear
e-2s
earlier this year
Echinopsis
epithelial invagination
fall of channel
fearmonger
fifibrose
fluorinated plastic
fried pomfret
full-scale meter deflection
functional earth conductor
gadolinium carbonate
galactosylhydroxylysine
Ganab
gestalt vision
glossopteriss
guest compound
heavy corrosion
hepatism
heroised
HFSV
hide item
high temperature radiation embrittlement
immunoperoxydase
indexed strip
ingot iron
interstate-highway
locomotive engineers
luf
lumahai
macroscopic readjustment and control
magnetic thermometer
mesosome
microvalves
montane bog
musculade
mythicised
nail-biters
non-cancellable
nuclousome
offer an insult to
Oracle of Apollo
p-n junction photodiode pn
Panels of Experts
perfume finishing
perhorresced
plugstick
portatives
potential type
programme transmission channel
pseudocritical
sales of goods legislation
serial printer
she-goats
sheltrum
signal centralized maintenance
simulium (simulium) suzukii
size queens
slew-eyed
Souvigny
stratified sampling of water
structurized module
submarine transmission
superficialty
swietochlowiche
terrestrene
the key technical indexes
the lowest common denominator
the supplier
thermonuclear rocket power plant
top connecting chain
touchphone
tundishes
underprivilege
unexpectednesses
variable mu tube
vertical scanning circuit
war-time