后生质性细胞含有物

[00:10.08]complement [00:12.46]vt.补足,补充 n.(C)1.补充补足2.余数 [00:14.84]complete [00:16.27]a.完全的,圆满的 [00:17.71]completion [00:19.19]n.(C,U)完成,完满 [00:20.66]complex [00:22.09]a.1.复杂的2.合成的,综合的 [00:23.5

发表于:2018-11-30 / 阅读(123) / 评论(0) 分类 考研英语词汇2005

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(159) / 评论(0) 分类 VOA2003(下)-环境与健康

Unit 13 The Culture Content of Vocabulary One of the earliest word sets that a student will learn is colors. Later on the intermediate student learns that in English yellow signifies cowardice and green signifies inexperience and jealousy. It is impo

发表于:2018-12-04 / 阅读(84) / 评论(0) 分类 英语流行话题阅读:语境识词4500

Welcome to This I Believe, an NPR series presenting the personal philosophies of remarkable men and women from all walks of life. For our series This I Believe, we receive thousands of essays from young people. Today we hear from one of them. Kamaal

发表于:2018-12-19 / 阅读(133) / 评论(0) 分类 2007年NPR美国国家公共电台

台湾籍旅美老师今天交给我们的句子是: I have a dream,that my four little children will one day live in a nation where they will not be judged by the color of their skin but by the content of their character. 我有一个梦想,那就

发表于:2018-12-25 / 阅读(100) / 评论(0) 分类 留美老师带你每日说英文

UNIT 74 RADIO PROGRAMS (Ⅳ) Lesson 147 Part Ⅰ Warming-up Exercises Note-taking: Radio Program Reminders 1. VOA / Fill Owen a. Paul Franchat: review of __________________ b. Barry Wood: ____________

发表于:2018-12-27 / 阅读(68) / 评论(0) 分类 英语听力入门 (全四册)

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(139) / 评论(0) 分类 国家地理2008年

Facebook published detailed guidelines Tuesday for what users can and cannot post on the social media service. Earlier this month, lawmakers called on Facebook chief Mark Zuckerberg to appear in Congress. They demanded that his company take more step

发表于:2019-01-03 / 阅读(122) / 评论(0) 分类 2018年VOA慢速英语(四)月

[00:05.69]verbal nonverbal mime farce [00:14.52]口头 不用动词的 笑剧 笑剧 [00:23.35]Charlie Chaplin Edward Lear slide skin [00:32.50]查理.卓别林 爱德华.李尔 滑动 皮肤 [00:41.64]bump bump into cruel content [00:49.27]碰(伤)

发表于:2019-01-10 / 阅读(245) / 评论(0) 分类 高中英语人教版必修

[00:28.68]This man is one of the greatest physicists in the world. [00:47.62]He was born in Germany in 1879. [00:53.26]He loved peace and hated war. [00:57.42]He moved to the USA during the Second World War [01:02.67]and spent the last part of his li

发表于:2019-01-10 / 阅读(170) / 评论(0) 分类 高中英语人教版高二

[00:00.00]absence achieve act [00:03.24]n.缺席,不在 vt.完成;达到 n.法令;条例;行为 [00:06.48]advance advanced affair again and again [00:11.19]vt.vi.推进;促进 adj.先进的;高级的 n.事情;事 反复地;再三地 [

发表于:2019-01-10 / 阅读(244) / 评论(0) 分类 高中英语词汇

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(128) / 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(94) / 评论(0) 分类 VOA标准英语2008年(五月)

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(116) / 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(117) / 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(242) / 评论(0) 分类 英语新闻

Two-week conference aims to achieve legally binding agreement to cut greenhouse gas emissions and has been billed as last best chance to clinch a deal. Sonja Pace | London 04 December 2009 Smoke is seen emitted from a chimney of the cooling towers of

发表于:2019-02-05 / 阅读(89) / 评论(0) 分类 VOA标准英语2009年(十二月)

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(222) / 评论(0) 分类 趣味英语

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(125) / 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(171) / 评论(0) 分类 英语新闻
学英语单词
aircrafts
ballast capacity
base twill
be history
body-clock
bryonicine
bucket operating cylinder
Camellia xanthochroma
carpenter's stopper
chlorhexidine gluconate
colonsogmoidoscope
colour index error
commissionorder
conducting substrate
continental shore
corporation profit tax
Courtauld
declutch shaft
demeanor evidence
direct electrical analogue
engorged
external connection
fearers
general law of reciprocity
geneticizes
Girna R.
give someone walking papers
glabellas
glacieravalanche
glass box testing
gozanis
gram atom
ground arms
guide lever spring
Hartree-Fock method
haul out
hear! hear
hungerpain
hypophysioportal veins
immune agglutinin
impostorious
index modification
indium triiodide
inflective
initial delirium
Itoman
Jomalig
ligamentum sternocostaie interarticulare
lithotritor
machicolating
madla
Mailerian
main-generator breaker
mangold fly
marine boring organisms
meeeting
minute down
misconvergence
Nesaea
Newtonia
non locking relay
nonmathematician
nonpersonnel
NSC-143647
optional meet
overcrushing
Peganum harmala
pincers hair
potyvirus calla lily latent virus
profiting from
pumping station junction
put more life into something
put one's bottom dollar
quasi-homogeneous material
quenching of luminescence
resistor microelement
set down one's foot
sicced
Sinaloa, R.
smallest rooms
snow levels
Stoutsville
sub-optimization
sulfisoxazoles
super-fuel
system utility
tabular representation
takes root
thick end
to show
token access
transport line
tripmates
velocity strain
vesiculovirus vesicular stomatitis virus
waves propagation vector
weed re-growth
weldy
where there is a will there is a way
wick-feed oiler
wool cleaning machine
workfunctions