[医] 胶体铅

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(140) / 评论(0) 分类 TED演讲娱乐篇

For 40 years, Paul Karason was a fair skin son of the American Northwest, freckles and reddish-blond hair. Like most people who grow older, Pauls hair turned white. But how does he explain this? What was that Aha moment were you think, you know, my

发表于:2018-12-11 / 阅读(163) / 评论(0) 分类 访谈录2008

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(174) / 评论(0) 分类 自然百科2010年

-Sheldon:Worst renaissance fair ever. renaissance:文艺复兴 fair:集市,集会 史上最逊的文艺复兴集会。 -Leonard:Please let it go, Sheldon. 别再墨迹了Sheldon。 -Sheldon:It was rife with historical inaccuracies. be rif

发表于:2019-01-01 / 阅读(204) / 评论(0) 分类 生活大爆炸第二季

DEVELOPMENT REPORT - Aid Group Designs System to Make Dirty Water Safe to Drink By Jill Moss Broadcast: Monday, October 17, 2005 This is Steve Ember with the VOA Special English Development Report. Ea

发表于:2019-01-02 / 阅读(133) / 评论(0) 分类 农业与发展

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(203) / 评论(0) 分类 VOA2003(上)-科技先知

Broadcast: May 5, 2003 By Jill Moss This is the VOA Special English Development Report. Each year more than two-million people die from diseases caused by drinking dirty water. That is the estimate of

发表于:2019-01-04 / 阅读(177) / 评论(0) 分类 VOA2003(上)-社会广角

This is the VOA Special English Development Report. Jeffrey Schwarz coordinates the water filter project for North America from the Carnegie Library Pot Shop, adapting technology developed in Central America during Hurricane Mitch in 1998 The Braddo

发表于:2019-01-11 / 阅读(142) / 评论(0) 分类 VOA慢速英语2009年(六)月

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(156) / 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(130) / 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(153) / 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(167) / 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(130) / 评论(0) 分类 自然百科2011年
学英语单词
allescheriasis boydii
annual appropriation(s)
Army Air Forces
asmat
balek
bestialises
blood coagulation mechanism
Bramante
branzburg
bratchet
brejcha
chalcogen
characteristic animal
Cid Campeador
Compton recoil
condenser type spot welder
constant pressure drop
definition of production system
disease Kienbock
disputisons
Donna.
duplicating lathe
Edjeleh
electric density
electrooptic coefficient
EPAH
fops
freight invoice
fullyfledged
Grand Beach
grass factor
Hancock's operation
harmonic boundary
HETEROCOELA
heteropyknosis
holistic theories
hylaeion
incalling
initial ignorance
innest
instantaneous expander
International Bank for Economic Cooperation
intrinsically
jack-a-napes
kinglier
Kostin
lead hydride
life-enhancing
lode deposit
maximum flame height without smoking
medalets
miniature bur kit
neck-hole
New Zealandese
nit-picker
out thought
out-sized
parallel algirithm
pekk
pelagically
phosphor trio
plain-Jane
presanction
pressie
primary genital cover
procedure library
quick-action switch
ratihabit
ravyne
relay-operated
rheumatoid pleural effusion
rubia
rupture of joint capsule of elbos
seal-in(electrical circuit)
security guarantee
septobasidium humile
septum of ventricles of heart
severely affected plot
shortcake
specific function theory of pain
stake a bath
Stellectomy
superficial zone
syngenetic dispersion
telecon
tergiversant
time loan unsecured
tip sb the wink
tithebarn
to full advantage
train gauge
triple sugar medium
tropophytes
uk fixed
umbrella-group
undreaming
unwillingly
utero-ovarian varicocele
valetudinarist
VGA - video graphics array
Walkmans
Yooper