有腕栅状细胞

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(291) / 评论(0) 分类 VOA2003(下)-环境与健康

发表于:2018-12-02 / 阅读(220) / 评论(0) 分类 英语口语1+1

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 arm [ B:m ] He received a call to arms

发表于:2018-12-30 / 阅读(216) / 评论(0) 分类 每日攻克5词

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 arm [ B:m ] There must be something wr

发表于:2018-12-30 / 阅读(187) / 评论(0) 分类 每日攻克5词

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(227) / 评论(0) 分类 国家地理2008年

Here in the Timor Sea off northern Australia, take a look at a creature that seems to have the soul of a riverboat gambler. It moves through turf dominated by large hungry predators, and it fights these predators in a way that will astound you. This

发表于:2018-12-30 / 阅读(216) / 评论(0) 分类 国家地理2007年

BBC Learning English6 Minute EnglishWarm hands, cold heart? 6 Minute English ? bb clearning english.com 2008Yvonne: Hello, I'm Yvonne Archer, this is '6 Minute English' - and thanks to Williamfor joining me today. William: You're welcome, Yvonne! Yv

发表于:2019-01-04 / 阅读(218) / 评论(0) 分类 六分钟英语

歌曲 : Candy paint 艺人 : Bone Thugs-N-Harmony 音乐星级 : ★★★★ 所属专辑 : Strength Loyalty 发行年代 : 2007 风格 : Rap 介绍: Bone Thugs-N-Harmony的首张专辑《E.1999 Eternal》,仅仅在美国本土就取得了500万张以上的 惊人销售记录,冠军单曲Tha Cr

发表于:2019-01-11 / 阅读(317) / 评论(0) 分类 饶舌音乐

To twist someone's arm To charge someone an arm and a leg 今天我们要讲的两个习惯用语是由 arm,也就是手臂和leg,也就是腿这两个字组成的。我们要介绍的第一个词汇

发表于:2019-01-11 / 阅读(260) / 评论(0) 分类 美国习惯用语

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(201) / 评论(0) 分类 2007年VOA标准英语(九月)

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(177) / 评论(0) 分类 VOA标准英语2008年(五月)

我们今天要学的习惯用语都有这样一个关键词: shot。 Shot最普通的解释是开枪射击,然而它用在不同的地方会产生不同的意义。例如在今天要学的第一个习惯用语里, shot这个词的原意是打针

发表于:2019-01-14 / 阅读(241) / 评论(0) 分类 美国习惯用语

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(200) / 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(185) / 评论(0) 分类 VOA常速英语2008年(四月)

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(349) / 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(299) / 评论(0) 分类 趣味英语

BEIJING, Aug. 21 (Xinhua) -- Prices of farm produce in China have inched up for the fifth straight week during the week ending August 19, the Ministry of Commerce said Tuesday. The wholesale cost of 18 types of vegetables monitored across 36 major ci

发表于:2019-02-13 / 阅读(168) / 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(220) / 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(256) / 评论(0) 分类 英语新闻

BEIJING, May 23 (Xinhuanet) -- A new study suggests that crossing your arms could reduce the intensity of pain, according to media reports. The study was conducted by researchers from University College London (UCL), who reported their finding in the

发表于:2019-02-18 / 阅读(254) / 评论(0) 分类 英语新闻
学英语单词
ageustia
air gap
ammonium palladous chloride
as fat as a pig
atomic-physics
austinogebia edulis
Barrancas, Pta.
bearing diagram
behaves
bill collector
blanket-type pneumatic machine
calibration by water
carbon cloud
carboxybenzoyl-Phe-Ala-diazomethylketone
cardiorespiratory sign
checking gauge
committee on accounting procedure
compare shift unit
console control circuit
cooperative computing
cycle of fluctuation
cyclical theory of regeneration
delay variation
earth-mothers
equivalent diode
Eurychilinidae
feeler rod
folk psychiatry
fosseys
ga(u)ge length
gas-sample analysis
genus boss
go narrow
GTF angle
impersonal relationship
in homage to
injection machine
injunctive relief
inlet end
intensity match
is this the way to
janowiak
kachunk
lampras
louis d'ors
lower priority job
manufacturing project office
meridith
mileage allowance
misvalue
motion for severance
nautical twilight
non-linear hyperbolic
normal mode rejection ratio
north-northwest
nuclear angular momentum
Obruchevo
Ocua
office-holder
oral-mandibular-auricular triad
oxygen-enriched air roasting
pancreatic branch
para-mandelic acid
parament
pat oneself on the back
pathobionts
ph concentration
pierno
piston insert
play booty
precogitations
prenouncement
propellerless
railway transporation
regenerating heat exchanger
resultats
rifle bird,rifflebird
scarce means of production
senior filter
session awareness block
single probe testing method
skip capability
slates
spurious disc
stamping office
sub-scores
success metric
T.S.C.(total solids content)
the cake
tohoku
transverse
trucklings
tunnis
Téboulbou
unbutted
unguligrade
verdejo
VOC (variable output circuit)
voice keying
weather-resistance
whitmer
zero place predicate