定向细胞

By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The

发表于:2018-12-01 / 阅读(285) / 评论(0) 分类 VOA2003(下)-环境与健康

[00:03.20]Unit 7 The Sea [00:05.84]Lesson 1 The Spirit of Explorers [00:11.27]VIKING VOYAGES TO AMERICA [00:15.18]The Vikings were the first Europeans [00:17.89]to reach America. [00:19.97]They achieved this long before Columbus [00:22.72]ever set sa

发表于:2018-12-04 / 阅读(403) / 评论(0) 分类 北师大版高中英语模块3

For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea

发表于:2018-12-30 / 阅读(221) / 评论(0) 分类 国家地理2008年

By Parke Brewer Phoenix 01 February 2008 The National Football League continues to try to grow the popularity of its sport outside the United States. VOA Sports Editor Parke Brewer reports from Phoenix that the league has announced that team owners h

发表于:2019-01-06 / 阅读(147) / 评论(0) 分类 VOA常速英语2008年(二月)

By Carol Pearson Washington 25 September 2007 A lot of people wonder about the impact cell phones might have on their health. And now a new study shows that heavy mobile, or cell, phone use may result in hearing loss. VOA's Carol Pearson reports. As

发表于:2019-01-11 / 阅读(197) / 评论(0) 分类 2007年VOA标准英语(九月)

By Margaret Besheer United Nations 25 March 2008 U.N. Secretary-General Ban Ki-moon has pledged his personal support to resolving the Israeli-Palestinian conflict and is urging both parties not to let recent violence derail the peace process. From Un

发表于:2019-01-12 / 阅读(138) / 评论(0) 分类 VOA标准英语2008年(三月)

By Bill Rodgers Washington 19 May 2008 Cell phones are an example of what is sometimes now called leapfrog technology, a product that allows developing nations the benefits of a reliable and extensive communications network without the heavy investme

发表于:2019-01-13 / 阅读(172) / 评论(0) 分类 VOA标准英语2008年(五月)

By David Gollust State Department 20 May 2008 The Bush administration Tuesday reaffirmed its commitment to a diplomatic resolution of the Iran nuclear issue though also saying it forecloses no options in dealing with the matter. The comments followed

发表于:2019-01-13 / 阅读(159) / 评论(0) 分类 VOA标准英语2008年(五月)

18The word of the LORD came to me: 2What do you people mean by quoting this proverb about the land of Israel: 'The fathers eat sour grapes, and the children's teeth are set on edge'? 3As surely as I live, declares the Sovereign LORD , you will no lon

发表于:2019-01-17 / 阅读(189) / 评论(0) 分类 圣经旧约 以西结书

今天我们要学的词是committed. Committed 做为形容词,有坚定的意思。Mark Zuckerberg said Facebook is committed to stop anyone from interfering in the upcoming midterm congressional elections through Facebook. 扎克伯格表示,脸

发表于:2019-01-26 / 阅读(153) / 评论(0) 分类 英语单词荟萃

4The Lord said to Moses, 2Say to the Israelites: 'When anyone sins unintentionally and does what is forbidden in any of the Lord 's commands- 3 'If the anointed priest sins, bringing guilt on the people, he must bring to the Lord a young bull without

发表于:2019-01-26 / 阅读(190) / 评论(0) 分类 利未记

By Victoria Cavaliere New York 16 October 2007 An annual stem cell research conference in New York has been bringing together some of the field's top scientists to discuss breakthroughs in stem cell research and what proponents call its long-term app

发表于:2019-01-31 / 阅读(196) / 评论(0) 分类 2007年VOA常速英语(十月)

By Paul Sisco Washington 17 April 2008 Federal regulators in Washington have approved plans to upgrade the nation's Emergency Alert System to include text messages to cellphones and other mobile devices. VOA's Paul Sisco has more in this Searching fo

发表于:2019-01-31 / 阅读(179) / 评论(0) 分类 VOA常速英语2008年(四月)

By Steve Herman New Delhi 27 February 2008 U.S. Defense Secretary Robert Gates, on a visit aimed at increasing U.S.-Indian strategic relations, has told officials in New Delhi that Washington's commitment to a deeper relationship with India is not li

发表于:2019-01-31 / 阅读(137) / 评论(0) 分类 VOA常速英语2008年(二月)

By Jim Teeple Jerusalem 19 March 2008 U.S. Senator John McCain, the presumptive Republican presidential nominee, is touring Israel and meeting with Israeli leaders as part of his Mideast tour that has taken him to Iraq and Jordan. VOA's Jim Teeple re

发表于:2019-02-02 / 阅读(140) / 评论(0) 分类 VOA标准英语2008年(三月)

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(344) / 评论(0) 分类 英语新闻

Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte

发表于:2019-02-07 / 阅读(296) / 评论(0) 分类 趣味英语

PARIS, May 30 (Xinhua) -- Top seed Victoria Azarenka put on an inspiring performance to reach the third round of the French Open with a 6-1, 6-1 win over Dinah Pfizenmaier of Germany on Wednesday. The Australian Open champion from Belarus committed o

发表于:2019-02-08 / 阅读(177) / 评论(0) 分类 英语新闻

By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia

发表于:2019-02-17 / 阅读(213) / 评论(0) 分类 VOA常速英语2007年(十二月)

WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi

发表于:2019-02-18 / 阅读(251) / 评论(0) 分类 英语新闻
学英语单词
administrative effectiveness
agrotechny
Aklanpa
anti dogmatic
aratos
Arkhara
Barry's retinaculum
be deposited
bench bone saw
bewrapped
biceps brachiis
Burzet
candlelighting
carbon build-up
catalogue equinox
class-j oscilloscope
colloidizing
configuration modification
coordinative activity
cruiseways
current-sensitive single gun color display tube
Dacryomycetales
damn all
data processing of information
Dayaso
degreasomg
developmental regulation
disodium ethylene-bisdithiocarbamate
doucement
Dracontium
educational network data base system
electrotesting
evk
family pteriidaes
feed supply
GPIO
hemithoraces
homeostasome
HRGC
impens
insert equipment
interrelatedness
iodothyronine 5 (-deiodinase)
joint venture problem
judgment time
Karaidel
l.s.d.
lamp chimney
leftfielder
legal owner
lining-out plough
Magnolia acuminata
maximum submerged freeboard
median strip
metamfepyramone
milkiest
model-milling machine
nabc
neologize
otaka
Overseas Container Line
period of declining growth
piezoelectric microphone
plungers
point-bearing
poor-box
precedence of operator
pressure burst
principal-mode excitation
prismatoid
psephitic structrue
psycopath
radiumlead
restrained
roll oscillation
salalahs
same-sex marriages
scrillah
semi-permeability
sink region
slow fashion
slowth
spread risk
straight trunnion end needle roller
substitute f-ratio
suprascapular notch
term appointment
thunder stick
tie-line oscillation
tin bronze
topflash
transition order
tree crown
trigonium urogenitale
trunk-maker
two-line English
twobarrel carburetor
unit-linked policy
vertical current washer
vertical velocity sensor
viscous pill
wjfk