[网络] 源质;生命树;天界

神奇校车带领孩子们进入浩瀚的科学领域,游梭于生物科学、地球科学、太空科学、气象学、古生物学等各门学科中。被纽约时报评为最新鲜有趣、最富有创意和想象力的科学启蒙方式。孩子

发表于:2018-12-06 / 阅读(107) / 评论(0) 分类 神奇校车系列丛书

STEVE EMBER: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. BARBARA KLEIN: And I'm Barbara Klein. This week on our program, we look at what some companies are doing to help their employees get healthy and stay healthy. We also ta

发表于:2018-12-07 / 阅读(170) / 评论(0) 分类 2011年VOA慢速英语(二)月

Galactic Rotation 银河系自转 Astronomers calculate there is ten times more matter in our Milky Way galaxy than we can actually see. Discover how the orbital motions of stars in the galaxy reveal dark matter -- on today's Earth and Sky. JB: I'm Joel

发表于:2019-01-02 / 阅读(263) / 评论(0) 分类 (科普英语)Earth and Sky

我们是否生来就乐观有余而现实不足?Tali Sharot与我们分享的最新研究表明:人类的大脑更倾向于接受乐观的信息,而这样的特点既对人有益又十分危险。

发表于:2019-01-05 / 阅读(179) / 评论(0) 分类 TED公开课:头脑游戏

13 May 2002, 14:14 UTC AGRICULTURE REPORT – May 14, 2002: Wood Chips Protect Waterways By George Grow This is the VOA Special English AGRICULTURE REPORT. American scientists are developing ways to l

发表于:2019-01-07 / 阅读(152) / 评论(0) 分类 农业与发展

SCIENCE IN THE NEWS – July 16, 2002: Foods That Protect Against Disease VOICE ONE: This is Sarah Long. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program abou

发表于:2019-01-08 / 阅读(147) / 评论(0) 分类 科技之光

VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. Im Barbara Klein. VOICE TWO: And Im Steve Ember. Hop on -- this week our subject is motorcycles in America. (SOUND) VOICE ONE: Bikers ride under a Main Street sign welcoming them to last

发表于:2019-01-11 / 阅读(190) / 评论(0) 分类 VOA慢速英语2008年(八)月

Technology Report - A Mobile App in Delhi Aims to Protect Women 科技报道 - 一款保护女性安全的手机应用程序 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 More than twenty thousand

发表于:2019-01-12 / 阅读(213) / 评论(0) 分类 2012年VOA慢速英语(一)月

By Luis Ramirez Bangkok 14 January 2008 At least eight soldiers are dead after what authorities in Thailand say was an attack by Islamic militants in the country's south. VOA's Luis Ramirez reports from Bangkok. Thai army officials say the soldiers w

发表于:2019-01-13 / 阅读(159) / 评论(0) 分类 VOA标准英语2008年(一月)

By Lisa Bryant San Sebastian, Spain 20 April 2006 After nearly 40 years of separatist violence, Spain's ETA terrorist group has announced a permanent ceasefire. The separatist organization has killed

发表于:2019-01-13 / 阅读(223) / 评论(0) 分类 2006年VOA标准英语(四月)

US Neighborhood Watch Volunteers Help Protect Communities Baruti Jahi, a longtime Washington resident and father, knows he can't take his family's safety for granted. I'm up at four in the morning looking out my window because my dog is barking, and

发表于:2019-01-13 / 阅读(154) / 评论(0) 分类 VOA标准英语2012年(四月)

RotavirusImmunizationProtectsPeopleWhoDon'tGetVaccine Rotavirus causes severe diarrhea that kills more than a half-million people each year, mostly very young children. A recently-introduced vaccine has proved to be very effective and has shown some

发表于:2019-01-13 / 阅读(141) / 评论(0) 分类 VOA标准英语2011年(九月)

Indigestion Can Protect Africa's Lions African lions are increasingly hunting domestic cattle. And many of them are being killed as humans retaliate. Now, in Botswana, a pilot project is underway to save the lion by making cattle taste bad. The king

发表于:2019-01-13 / 阅读(148) / 评论(0) 分类 VOA标准英语2011年(九月)

AmericansHoldSomberObservancesofSeptember11Attacks A decade after Islamic terrorists hijacked four passenger planes and turned them into weapons to claim nearly 3,000 lives, people in the United States on Sunday somberly marked the September 11 anniv

发表于:2019-01-13 / 阅读(162) / 评论(0) 分类 VOA标准英语2011年(九月)

Fighting Poverty, Protecting Women from HIV Financially empowering young women in poor countries may help protect them against sexually transmitted diseases. A new study shows that addressing poverty can help prevent risky behavior. Poverty, a lack o

发表于:2019-01-14 / 阅读(131) / 评论(0) 分类 VOA标准英语2012年(二月)

M23 Rebels Urged to Protect Civilians Humanitarian agencies in the eastern DRC are scrambling to locate displaced civilians and provide assistance following the M23 rebel groups takeover of Goma. For years, the town has been the center of aid operati

发表于:2019-01-14 / 阅读(145) / 评论(0) 分类 VOA标准英语2012年(十一月)

Cameroon, Chad Team Up to Protect Wildlife The pact was signed by both governments in early August. It stipulates that the Central African neighbors will jointly manage over 300,000 hectares of protected area. They will be patrolled by an increased n

发表于:2019-01-14 / 阅读(150) / 评论(0) 分类 VOA标准英语2011年(八月)

By Jeff Swicord Cheyenne, Wyoming 10 September 2007 Workers at adairy farm There is growing concern that farms and ranches in the western U.S. could become the target of agroterrorism. The devastating outbreaks of foot and mouth disease in Britain a

发表于:2019-02-05 / 阅读(224) / 评论(0) 分类 2007年VOA标准英语(九月)

By Robert Berger Jerusalem 17 November 2007 The United Nations has criticized Israel's controversial separation barrier in the West Bank. As Robert Berger reports from VOA's Jerusalem bureau, Israel has rejected the report, saying the fence is vital

发表于:2019-02-06 / 阅读(159) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Jennifer Glasse London 05 October 2009 A new high court has begun proceedings in Britain, replacing the appeals court in the House of Lords. Its title, The Supreme Court, has led some British lawyers to be concerned that it might eventually take

发表于:2019-02-20 / 阅读(142) / 评论(0) 分类 VOA标准英语2009年(十月)
学英语单词
aerophone
affixoid
auto-repeats
bear the impress of genius
brandisia discolor hook.et thoms.
came under notice
carbon-chemistries
chain-reaction polycondesation
cincluss
clock aging
cloning by expression
colloidal
concha
container equipment data exchange
coordination isomerism
corycaeus (onychocorycaeus) pacificus
critical difference
cycloeucalenol
defrizzing
design patterns
dilly-o
dine with Duke Humphrey
Disug
double frequency recording
end-of-the-summer
ethyl formate
golcars
gradations of colour
harbor entrance jetty
hare and tortoise
hermaphroditism with excess
high temperature wire
hook-wall packer
immune proteins
industrial acidity meter
insertable evaporator
internet mall
jet engine compressor
jucos
kentia palm
Kento, Ozero
kerbs cycle reaction
kirschman
lamp glass
lost you
Maldive Islands
mesh work
natrium mandelicum
nilobezzia kerteszi
niobium-tantalum deposit
North English
Octinagrain
oligomerization
Once bitten twice shy
organomineral
ostial stenosis of coronary artery
over the side
palaeoceanographic
perquisite
phyllosticta amorphophalli
postejection
potential of inertial centrifugal force
primary light source
probabilistic indexing
programmable keypad
pulse widening
pyrosteel
quartz iodine tungsten lamp
radial armature
Radon transform
rallying cry
Ravenna, Prov.di
rinsing cycle
ripple noise
scabness
scorer number
Shelleyan
short boom loader
single step mode
spaghetti-strap
spiral drill
steering damper friction assembly
stickbuilt
substance abuse prevention
sunda islandss
Szechenyit
t-tubules
talento
taper ring-gauge
Thalictrum uncatum
tie spacing
tolerance dose rate
transglycosylation
trichonosis cana
unit installed capacity
vagolytic
vertical saturation
vertical tube bundle units
weighted round robin queuing
wet dextrinization
wood paneling of interior wall
zero coordinate