胚细胞未发育

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(258) / 评论(0) 分类 VOA2003(下)-环境与健康

As the development of high technology, nowadays, people have access to all kinds of new products, these high technology products bring convenience to peoples life. Cell phone is one of the biggest inventions, people can keep in touch with each other

发表于:2018-12-18 / 阅读(210) / 评论(0) 分类 2015年VOA慢速英语(一)月

[ti:] [ar:] [al:] [by:] [00:01.00] Late At Night, Do You Turn Off Your Cell Phone? 今夜不关机 [00:08.22]Today, my friend asked me a question. [00:11.17]At night, do you turn off your cell phone? [00:14.78]If you dont, whom do you leave it on for

发表于:2018-12-26 / 阅读(193) / 评论(0) 分类 温馨夜读

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(206) / 评论(0) 分类 国家地理2008年

The girl would turn her cell phone off and put it by her photo on the desk everynight befor going to bed. This habit had been with her ever since she bought the phone. The girl had a very close boyfriend,when they couldn't meet ,They would either cal

发表于:2019-01-02 / 阅读(157) / 评论(0) 分类 每天一点英文

This is Scientific Americans 60-Second Science, I'm Steve Mirsky. Got a minute? Ever-increasing numbers of people are consuming news via the Internet and cell phones. In London last week at the World Conference of Science Journalists, Philip Hilts, t

发表于:2019-01-08 / 阅读(185) / 评论(0) 分类 Scientific American(七)月

不少准妈妈们都为宝宝做过三维或四维彩超,并给宝宝们拍下人生中的第一张照片。而试管宝宝们如今更可以拥有自己胚胎细胞时期的珍贵影像,这就是细胞拍。 It is the latest trend in baby pictu

发表于:2019-01-08 / 阅读(165) / 评论(0) 分类 英文语法词汇

the apl song--黑眼豆豆 lapit mga kaibigan at makinig kayo ako'y padadalang, balita galing sa bayan ko yaung pamamahagi ang mga kuento ng manga pangyayaring ganaganap sa lupang pinangako come together and listen i brought news from my native land

发表于:2019-01-10 / 阅读(167) / 评论(0) 分类 欧美绝对经典 U2

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(186) / 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(159) / 评论(0) 分类 VOA标准英语2008年(五月)

Really Mass Media In London last week at the World Conference of Science Journalists, Philip Hilts, the director of the Knight Science Journalism Program at M.I.T., reviewed the worldwide state of Internet and cell phone use, two of the major ways p

发表于:2019-01-30 / 阅读(179) / 评论(0) 分类 60秒科学

> 11 关于使用蜂窝式电话安全性的研究 DATE=3-8-01 TITLE=SCIENCE REPORT - Largest Cell Phone Study BYLINE=George Grow ( Start at 59

发表于:2019-01-30 / 阅读(203) / 评论(0) 分类 科技之光

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(180) / 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(168) / 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(329) / 评论(0) 分类 英语新闻

10 Things You Didnt Know About Cell Phones Just when we feel comfortable enough to say wow, cell phones have really changed the way we operate, things get even weirder. Here are 10 facts about cells from around the world that show the scale and style

发表于:2019-02-07 / 阅读(288) / 评论(0) 分类 阅读空间

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(283) / 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(199) / 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(232) / 评论(0) 分类 英语新闻

Why You Shouldn't Leave Nude Photos of Yourself on Your Cell Phone The 23-year-old woman lost her cell phone in a restaurant parking lot. By the next morning, someone was texting nude photos of her to everyone. As regular readers have learned many ti

发表于:2019-02-24 / 阅读(182) / 评论(0) 分类 阅读空间
学英语单词
.uk
Aconitum anthoroideum
advertisement matter
album leaf
anterior papillary muscle of left ventricle
atherosclerotic plaque
atrophic lichen planus
attached x-chromosome
auxiliary control rod
Basham
blood flow sensor
boom box, boombox
boutique hotel
brittlement
c(a)esium-ion engine
cape provinces
chipseals
circles round
classification questionnaire
clydesdale horse
Commencement of Towage
connecting resistance for potential
contact anglr
cpld
craftsman furniture
darics
design-base accident
DI (data input)
dolly switch
eight principles
electrical detecting element
enamel paraffin(e) wire
Esaki tunnel diode
Ferberizes
frequency indicator
friction peeling
frontis
Furasabol
geographical geomorphology
Google Health
Halex process
judgmental forecasting
Julia sets
kyrgyz republics
lachnus nigripes
lay a finger to one's lips
lightning-diverting cable
liquor alumin subacetatis
Mach cone
Maehwasan
Mark, King
matrix group
mean time of maintenance actions
megayear
mystic
obnixely
over gain control
overdigestion
people say that
pin-holing
plough horses
power breeder(reactor)
primary amine surfactant
protospondylous
punishing stress
quizzee
Raaya
radio common carrier
rear track
resochins
Retriever Seamount
right lamina
right threaded binary tree
Saronic Islands
scurfer
selingaan
semi-automatic checkout equipment
Skip distance.
state enrolled nurse
stop mechanism
subsidiary station
super-featherweight
superior parietal gyri
Swanscombe
through bill of lading
tollgatherer
topsmen
towering infernos
trading warehouses
transcomputer
trundler
unadd
unmedicalized
unstability of base line
urofsky
uvra
vacuum permittivity
valenciennea immaculata
Wagner Act
washing sherry
water-moderated reactor
xc (capacitive reactance)