[医] 许旺氏细胞(神经鞘细胞)

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(146) / 评论(0) 分类 VOA2003(下)-环境与健康

[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(109) / 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(126) / 评论(0) 分类 国家地理2008年

My real biological mother left me in a basket with me and my sister saying that we were twins and she waited to make sure that we were safe and then my mom right now Betsy, she came to get me in China to adopt me and she took me back to America as, a

发表于:2018-12-30 / 阅读(85) / 评论(0) 分类 国家地理2007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(78) / 评论(0) 分类 每天一点英文

Three-dimensional cell phones and batteries that last much longer are just two of the techonogies that could become commonplace in the next few years. For the fifth year, IBM has looked at the horizons of research, picked five technologies and announ

发表于:2019-01-07 / 阅读(84) / 评论(0) 分类 VOA标准英语2011年(一月)

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(115) / 评论(0) 分类 2007年VOA标准英语(九月)

By Naomi Schwarz Freetown 30 August 2007 In Sierra Leone's presidential election, electricity has become an important campaign issue. In the crowded capital Freetown residents can go weeks without power, but some of the city's youth, faced also with

发表于:2019-01-13 / 阅读(114) / 评论(0) 分类 2007年VOA标准英语(八月)

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(82) / 评论(0) 分类 VOA标准英语2008年(五月)

New Alzheimer's Research Raise Hope for Treatment, Cure Scientists working to unravel the mysteries of Alzheimer's disease are excited by two recent studies. Both provide important new insights on how the disease spreads through the brain. Guy Eakin

发表于:2019-01-14 / 阅读(102) / 评论(0) 分类 VOA标准英语2012年(二月)

我们今天要学几个由hold这个词为主的习惯用语,hold常用来表示用手拿住或者抓住,今天要学的第一个习惯用语是:hold on to one's hat。 大家都知道hat是帽子,hold on to one's hat这个习惯用语出现在

发表于:2019-01-14 / 阅读(117) / 评论(0) 分类 美国习惯用语

Amygdala's Acidic Aspiration Answer A study in the journal Cell shows that the buildup of carbon dioxide when we stop breathing causes a pH change that signals proteins in the brain to force us to inhale. Karen Hopkin reports. Maybe its happened to y

发表于:2019-01-30 / 阅读(183) / 评论(0) 分类 60秒科学

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(103) / 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(105) / 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(230) / 评论(0) 分类 英语新闻

By Amanda Cassandra New York 09 November 2006 Movie star Robert Redford's Sundance Film Festival is teaming up with global cell phone operators to bring short films to cell phones to give people around the world access to independent films. Robert R

发表于:2019-02-05 / 阅读(110) / 评论(0) 分类 2006年VOA标准英语(十一月)

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(211) / 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(118) / 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(162) / 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(105) / 评论(0) 分类 阅读空间
学英语单词
Abrolhos Bank
aedes (stegomyia) albopictus
arguss
ASALM
betwen
blow-out of a boiler
brutally
bursae retrohyoidea
cerrobase alloy
charlatanical
chiause
Clematis metuoensis
comebacker
contiguity
crescendi
crista marginalis
cross-development
cutter-mixer agitator
Darling sodium process
decidualization
digitization time
elija
elusive
equipment of secondary lifesaving appliance
estimated time of start
Fastin
fee-junction circuit
filli-
girth breast height
goldwater
gravel pavement
hathorn
Hemigraphis
high precision grinding machine
high-pressure ion exchange column
hydrogeology of great sedimentary basins
idealized fluidization
If you have no hand you can't make a fist
immersional wetting
individual service
input/output gate
interim earnings statement
interno-
investment account
kaplan-meier
katsuya
keep sb at bay
kursinski
law of corbet's harmonic series
local currency
long life antifouling coating
luteotrop(h)in
mafelsic (c.i.p.w)
main current relay
map chart
Marzamemi
medacca
mixed leucocyte reaction
moon probes
Nowood R.
nylon resin
on-site power
otectomies
p-t diagram
partial side information
pine camphor
plain knit
polydisk
primary-color
print out task
prophets of gloom and doom
recoil state
reflected pressure
relative benefit
rhinogobius maculafasciatus
roukes
savagesses
self mutilate
silver dichromate
Slut Shaming
soap film tensor
specimen screen
spinal glosis
steel wire rods
stirrup arrestment
stitch-down
sugar cane fibre
tatjana
tenosynovitis stenosans
tintinaite
torsion electrometer
triangular treaty
Tupungatito
understandability
unicellular animal
universal joint driving
unmodulated track
urinations
vibrational model
Vishnëvoye
whether or
white butterfly