增量理论

WHO: Balanced Approach for New Bird Flu Virus Strain In 2011, scientists discovered they had created a highly contagious and deadly form of H5N1 commonly called avian or bird flu. When the discovery was announced, debate erupted over whether the rese

发表于:2018-12-08 / 阅读(172) / 评论(0) 分类 VOA标准英语2011年(十二月)

Anchor: The Internet now. We use it for practically everything, but when it was designed and began growing into what it is now, one little detail was left out to the architecture, virtually no built-i

发表于:2018-12-11 / 阅读(357) / 评论(0) 分类 万花筒2006年

The flu epidemic intensified a few week ago, but it continued to worsen with widespread outbreaks being reported in every state except Florida. NBC's Robert Bazell reports. And there's new information tonight about this year's flu epidemic and why i

发表于:2018-12-11 / 阅读(138) / 评论(0) 分类 万花筒2008年

One in seven Americans lives in poverty. The rate is the highest it's been since 1995. NPR's Tamara Keith brings us the findings of a new Census Bureau report that reveals the recession spared virtually no one. The reason more Americans are living in

发表于:2018-12-17 / 阅读(121) / 评论(0) 分类 2010年NPR美国国家公共电台9月

DAVID GREENE, HOST: And we're going to spend some time now in China's far northwestern region, Xinjiang, which is four times the size of California. It's home to a Muslim minority group called the Uighurs. They have had this tense relationship with C

发表于:2018-12-17 / 阅读(138) / 评论(0) 分类 2017年NPR美国国家公共电台9月

今天我们要学的词是 strain. strain 的意思是压力,负担。Tijuana could feel the strain as migrant shelters there already are at or near capacity. 墨西哥的蒂华纳可能 会感受到那里已经人满为患的移民避难所的压力

发表于:2018-12-27 / 阅读(131) / 评论(0) 分类 英语单词荟萃

今天我们要学的词是 strain. strain 的意思是压力,费力,使足力气。 In China, female pilots strain to hold up half the sky although they account for only 1.3 percent of all the pilot, one of the lowest proportion in the world. 在中

发表于:2018-12-30 / 阅读(123) / 评论(0) 分类 英语单词荟萃

ECONOMICS REPORT - Work on 'Game Theory' Wins Nobel Prize for Two Economists By Mario Ritter Broadcast: Friday, October 14, 2005 I'm Bob Doughty with the VOA Special English Economics Report. Robert A

发表于:2019-01-02 / 阅读(173) / 评论(0) 分类 健康与经济

The deterioration of relations between Ukraine and Russia accelerated after Kyiv sided with Georgia during last month's conflict in South Ossetia. Worsening ties coincide with next year's expiration of the bilateral Treaty on Friendship, Cooperation

发表于:2019-01-12 / 阅读(152) / 评论(0) 分类 VOA标准英语2008年(九月)

By Al Pessin Washington 11 January 2008 The top U.S. military officer says he would like to be able to send 3,000 Marines to Afghanistan, as regional commanders have requested. But he says senior leaders are concerned about the impact the deployment

发表于:2019-01-13 / 阅读(171) / 评论(0) 分类 VOA标准英语2008年(一月)

New, Fatal Bird Flu Strain Closely Monitored 密切监视新的致命禽流感病毒H7N9 WASHINGTON In the past 10 years, a deadly strain of bird flu has killed more than half of the people who got it. Now, there's a new strain of bird flu circulatin

发表于:2019-01-14 / 阅读(129) / 评论(0) 分类 VOA标准英语2014年(三月)

STEVE INSKEEP, HOST: There was an age growing up when my mom let me go anywhere on the block by myself so long as I did not cross the street. A bit later, I could ride my bike about as far as I could go. Surely, many kids still grow up that way, but

发表于:2019-01-17 / 阅读(119) / 评论(0) 分类 2018年NPR美国国家公共电台9月

A killer bug spreading across the globe like wildfire sounds like something out of a bad sci- fi film. But while this is still the stuff of fantasy, microbiologists are concerned about the news of an enzyme with the potential to convert all bacteria

发表于:2019-01-19 / 阅读(122) / 评论(0) 分类 中英双语新闻

Unit2 Black English 第二节 黑人英语 The black couple already had eight children, 一对黑人夫妇已有八个小孩, and Lula May was pregnant with her ninth. 而鲁拉梅又怀了第九个小孩, Finally she convinced her husband to get a

发表于:2019-01-22 / 阅读(168) / 评论(0) 分类 经典双语笑话

The results of this two-tier system have been meagre so far. The frenzy in the biggest cities stems from the central banks steady loosening of monetary policy over the past 18 months. Although warranted from an economic perspective, it was inevitable

发表于:2019-01-27 / 阅读(115) / 评论(0) 分类 经济学人财经系列

世博会正式开园,园内有不少独立展馆。顾名思义,独立展馆即单独设管的意思。比如说古巴,以往都是与其他拉美国家合用一个展馆,而在此次的上海世博会上,首次设立独立的展馆。那么

发表于:2019-02-08 / 阅读(179) / 评论(0) 分类 英语新闻

The chains of habit are generally too small to be felt until they are too strong to be broken. - Samuel Johnson Editors note: This is a guest post from Mary Jaksch of Goodlife Zen. Have you ever had problems establishing a new habit? Maybe I should a

发表于:2019-02-14 / 阅读(173) / 评论(0) 分类 阅读空间

How to Develop Running As a Lifestyle One of the greatest physical and mental challenges on the planet is to complete a Marathon. While the thought of running a little over 42 km is daunting, for most healthy people this is an achievable goal. The fi

发表于:2019-02-18 / 阅读(135) / 评论(0) 分类 阅读空间

The rollout of the gleaming craft marks Virgin Galactic's return to the race to become the world's first major private space tourism company. The new passenger spacecraft is expected to take thrill-seekers, researchers and commercial customers on sho

发表于:2019-02-18 / 阅读(187) / 评论(0) 分类 英语新闻

The first one is very simple: experience bars measuring progress 首先看一个简单的:用经验值条量度进程 something that's been talked about brilliantly by people like Jesse Schell earlier this year. 它曾经被人精彩地讨论过,比

发表于:2019-02-21 / 阅读(115) / 评论(0) 分类 TED演讲教育篇
学英语单词
airfield pavement
airfoil lift
alae ethmoidalis
archipelagoes
auxiliary protein
bait tank
beneficer
burnishings
by-pass grafting
Cantabrian
casting pan
chaetoceros pseudodichaeta
commitology
complete team
conservative surgery
crack you up
cyrillians
cytheropteron miurense
debtor
deep-sea storm
diagonal matrixes
direct-driving clutch
distortionary tax
double loop coordination strategy
electric discontinuous furnace
electric resistance sensor
entactogens
erigeroside
europous
false dismissal probability
file info
flow cone
foglesong
gaine
gender agreements
ghatti gums
graphic extension
gunter grasses
gylder
handmaiden
i-venkessid
inertia frame
inscibed
instantaneous relay
insulating measuring bench
interrupt mark
jackroll
joint charge
kabellia
leubsdorf
lightbowns
main air jet
Mazāvad, Rūd-e (Mazāwad Rūd)
Mollā Ya'qūb, Kowtal-e
moving domain memory
neighbouring group participation
nonplosive
normatively
often-voiced
paraconformity
Pararuellia
paternal legislation
peiminane
permalloy 'chinese letter' detector
pheasant under glass
phytochinin
plow planer
positive steam distribution
power to tax
Prosimulium
protective bias
pulp board
rated rpm
reduced stress
Sara Lee Corporation
sector cable
serum inhibitor
sherardizing medium
Shikaoi
single payment personal cash loan
sink in the scale
six-four chord
split-screens
standard relatlve visibility
streptoplysin O
subjective forecasts
surface curvature
thermo reference material
third-to-last
three-primaries
thrills and chills
tracking power
understans
universal bulk carrier
vining cylinder
waxen-kernel
winces
wind tunnel program control
Winterpeg
xylit
Yue Fei