多变拟青霉

在美国黄石国家公园,曾经栖息着土生土长的狼群,直到有一天,狩猎者将它们驱逐殆尽。然而到了 1995 年,(由于一个激进的管理项目)狼群开始重新回归,一些有趣的现象出现了:黄石国

发表于:2018-12-09 / 阅读(296) / 评论(0) 分类 TED公开课:生态谜云

新编英语教程第五册unit03_2_beginning_of_the_end_for_antibiot

发表于:2018-12-11 / 阅读(211) / 评论(0) 分类 新编大学英语阅读部分

Electronics Show Displays Newest Gadgets CES国际消费电子展展示新奇玩意儿 Thousands of people were in the American state of Nevada earlier this month for the Consumer Electronics Show. The CES is the worlds biggest show for electronic de

发表于:2018-12-16 / 阅读(188) / 评论(0) 分类 2016年VOA慢速英语(一)月

Social Media, Emerging Street Opposition Are Forces Behind Syrian Uprising For seven weeks a popular uprising against the government of Syrian President Bashar al-Assad has been raging. Emboldened by successful movements to topple dictators in Tunisi

发表于:2018-12-16 / 阅读(173) / 评论(0) 分类 VOA标准英语2011年(五月)

A Harvard commencement is a special occasion.How could anyone not have been thrilled by this morning's assembly?25,000people packed in the Harvard yard to celebrate one of the great occasions of life.I loved it all,and I love this great gathering a

发表于:2018-12-18 / 阅读(212) / 评论(0) 分类 白领英语晨读

SCIENCE REPORT - February 28, 2002: Blood Test For Ovarian Cancer By Nancy Steinbach This is the VOA Special English Science Report. American medical researchers say they have developed a simple blood

发表于:2019-01-02 / 阅读(215) / 评论(0) 分类 科技之光

「在神圣的荒野中,我们能看见自己最良善的特质」野生生态保育人士博伊德?瓦提(Boyd Varty)与我们分享动物、人类及两者相互关系的故事,也就是南非谚语Ubuntu所言:「是你成就了我」。博伊

发表于:2019-01-05 / 阅读(240) / 评论(0) 分类 TED公开课:地球村

热爱恶搞的投资家Yossi Vardi针对写博客时的危险性发表了详尽的见解。尤其给男性们警醒。

发表于:2019-01-05 / 阅读(227) / 评论(0) 分类 TED公开课:(不只是)男人经

By Paige Kollock Washington, D.C. 18 January 2006 view Cancer report Medical experts say it is the biggest breakthrough in more than a decade in the fight against ovarian cancer, a rare but deadly for

发表于:2019-01-06 / 阅读(266) / 评论(0) 分类 2006年VOA标准英语(一月)

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. The Patriot Act and the Bioterrorism Preparedness Act were passed in 2001 and 2002. These laws in part cover research on pathogens and toxins thought to

发表于:2019-01-08 / 阅读(229) / 评论(0) 分类 Scientific American(五)月

1. Federal agents expect to be at this Detroit-area horse farm for several weeks to search for clues to Jimmy Hoffa's disappearance. The former Teamsters leader vanished in 1975. 2. The general tap pe

发表于:2019-01-08 / 阅读(280) / 评论(0) 分类 美联社新闻一分钟2006

By Amanda Cassandra New York 29 November 2006 Gold prices have reached record highs this year, fueling new interest in gold as an investment. But the allure extends far beyond its monetary value. Its importance as a natural resource, as a commodity

发表于:2019-01-12 / 阅读(335) / 评论(0) 分类 2006年VOA标准英语(十一月)

By Lisa Bryant Ivry-sur-Seine, France 24 July 2006 Church attendance in Europe has been steadily decreasing in recent decades. Traditional Protestant and Roman Catholic churches have a hard time drawing in new members, particularly young people. But

发表于:2019-01-12 / 阅读(318) / 评论(0) 分类 2006年VOA标准英语(七月)

By Amberin Zaman Nicosia 27 January 2006 Turkish Cypriot community leader Mehmet Ali Talat says the European Union can and must play a major role in pushing for a settlement to re-unite the Greek and

发表于:2019-01-13 / 阅读(262) / 评论(0) 分类 2006年VOA标准英语(一月)

69 促使切尼副总统心脏跳动的机械装置 DATE=7-17-01 TITLE=SCIENCE IN THE NEWS #2133 - Heart Devices BYLINE=Jerilyn Watson VOICE ONE: This is Sarah Long. VOICE TWO: And this is Steve Ember

发表于:2019-01-30 / 阅读(231) / 评论(0) 分类 科技之光

34 过多服用雌性激素有可能引发卵巢癌 DATE=4-12-01 TITLE=SCIENCE REPORT -Estrogen and Ovarian Cancer BYLINE=Mario Ritter (Start at 1'00

发表于:2019-01-30 / 阅读(227) / 评论(0) 分类 科技之光

By Anjana Pasricha New Delhi 07 January 2007 Bangladeshi Riot Police baton charge as protestors throw bricks during a protest in Dhaka, Bangladesh, 7 Jan 2007 At least 50 people were injured when security forces clashed with protestors in Bangladesh

发表于:2019-01-31 / 阅读(222) / 评论(0) 分类 2007年VOA标准英语(一月)

Consumer Electronics Show 国际消费类电子产品展 No.1: Einstein Alive Again? 爱因斯坦复活了? No.2: Another Reason for Staying in Bed 赖床有了新理由 No.3: Diamond Is So Obsolete 订婚买钻石真是太没新意了 No.4: The 1s

发表于:2019-02-01 / 阅读(230) / 评论(0) 分类 英语新闻

By Mil Arcega Washington 21 June 2007 Military commanders in Afghanistan say attacks against civilians and U.S.-led forces have stepped up in recent weeks. Although the uptick in violence comes as no surprise, U.S. and Afghan officials claim the rene

发表于:2019-02-03 / 阅读(229) / 评论(0) 分类 2007年VOA标准英语(六月)

MADRID, Oct. 22 (Xinhua) -- Sevilla goalkeeper Javi Varas was the hero of the night as his side produced a stunning defensive display to earn a 0-0 draw against FC Barcelona in the Camp Nou stadium. Varas made a string of spectacular saves, including

发表于:2019-02-07 / 阅读(236) / 评论(0) 分类 英语新闻
学英语单词
a single flower does not make a spring
account valuation
Argentinean
Arteria laryngea inferior
astrobotan
batch recycle cultivation
beam-lead technique
binucleations
bonke
Bulbophyllum tengchongense
caddie-masters
centiare
chapelgoer
Churuk
cinchotannic acid
club moss
communication region
comprehensive indices
congenital deformity of the tongue
Coscinium fenestratum
dead air
debtors ledger
decoration cement
denominationalizing
dentine caries
diesel-electric
Dioctophymata
dogroses
dopaquinone
dothiepin
dynamic characteristic simulator
economic programme
EUPTEROTIDAE
flow-visualizations
fluorescent characteristics
fretty
funds
germanium-doped silica
germany internet providers
Glen Gardner
gp39
his-stories
identity disorder
immediate liability
influence of magnetic field
inosinates
interrupt queue
Inuya, R.
jewel casket
kalmu
Landouzy Dejerine dystrophy
lateral freedom
lisonek
macrocarpa
Maniote
material requirement planning system
minarine
MLSG
mosaic rhyme
net gauze
Obrzycko
off-load period
other field effect integrated circuits
Oxton
partial heat treatment
party wrecker
peasant farmer
permeability-thickness product
planktotrophic larva
ready-made clothes production line
reciprocating rolling mill
requirements of process
road menders
roll-quenching moment
ruscoe
selvig
semimixis
sheet-ice
short code dialing
slope selection
snarl-up
spherical metric
stamycil
super-visor
tampramine
tarae
tea plucker
testing mineral
thrips kotoshoi
thymidinediphosphate
TMQL
torua
trimorphically
twig brush
U-9889
unrighting analysis
variation explained by regression
veneer strip
via Suez Canal shipping line
Vincetoxicum negrum
weight rate of steam flow
yamanouchi