[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
access procedure
acenocumarol tablet
Ahermoumou
aliphatic sesquiterpene
altered mineral
aneye
artificial satellite geodesy
balanceless
benzophenid
brother's
camard
capitate bone (or magnum)
cataphonic
chaingratestoker
chasovrite (glinite)
cider press
close the polls
code-based
collision avoidance radar
commission of review
compound leaves with leaflets
content addressability
coroebus elongaticollis
curve resolving
cutting plier
data glove
Derodontidae
drag-cup generator
dry soil
dymmometer
dysphagy
entomological
extrapolated cut-off
faciocervical follicularerythomelanosis
filtering database
fragmenry order
frasilah
free slack
function decision table
furtherers
Genetice
genus lufengpithecuss
genus Pterocarya
gurjit
gyri cinguli
hemizygous vein
lancet arch
langhorns
lashup,lash-up
licking sickness
line of centres/centers
maar
melting ratio
mesio-occlusodistal
methylacetylcholine
mineral deposit exploration
molay
non-absorbent
nonresonance
norminal leader
not know whether one is coming or going
one by one
ossa auditoria
overcurrent circuit breaker
packboard
pilled-up
pilocarpine hyarochloride
pinky-browns
power grid detector
pre-electric shave lotion
radio forum
rashidiya
rectilinear scale
refrigerated carrier
rhusflavone
romantic love
rumala
SC (single casing)
secondary consumer level
separating force
septigenous
sideroscopy
simplification assumption
split system heating
spun glass
stony iron meteorite
streetworks
sweethaven
time-inconsistent
ton-
translation invariant metric
tritochorite
turn-the-other-cheekism
two-piece core box
uncontrolled barrage
under-impedance relay
unfeued
upper wishbone
walk-mill
wood block printing
woolpack
word computer