上皮细胞

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(232) / 评论(0) 分类 VOA2003(下)-环境与健康

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(182) / 评论(0) 分类 国家地理2008年

Pamela: [laughs] Did you see this tweet from Sarah? Shes so funny. Josh: Hold on. Im texting Lance. I want to make sure he knows where were meeting up. Pamela: [cell phone rings] Hello. Oh, hi Lance. Did you get Joshs text? You didnt? Let me IM you,

发表于:2019-01-01 / 阅读(123) / 评论(0) 分类 地道美语播客

Paul: I need a new cell phone plan. These roaming and overage charges are killing me! Shauna: I thought you had a good calling, messaging, and data plan. Paul: I do, but Im still going over each month. Shauna: Have you thought about a prepaid plan? Y

发表于:2019-01-01 / 阅读(142) / 评论(0) 分类 地道美语播客

Fay: Excuse me. Im in the window seat. Dustin: Oh, sure. Let me get up and let you in. Fay: Thanks. Dustin: Are you traveling on business? Fay: Yes, I am. Im changing planes in Denver on my way to South Carolina, and then Im off to Georgia on Wednesd

发表于:2019-01-09 / 阅读(138) / 评论(0) 分类 地道美语播客

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(166) / 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(138) / 评论(0) 分类 VOA标准英语2008年(五月)

Becky: Curt. Curt: Oh, hi. Becky: Can I talk to you for a minute? Curt: Im really busy right now. Becky: Just one minute. I promise it wont take long. Curt: Okay. Lets talk over here. Becky: Curt, Im really sorry that I told Joyce that you had a crus

发表于:2019-01-21 / 阅读(142) / 评论(0) 分类 地道美语播客

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(164) / 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(155) / 评论(0) 分类 VOA常速英语2008年(四月)

the die is cast是木已成舟、大局以定的意思。据牛津词典记载,“the die is cast”,这一成语是指骰子巳经掷出,犹如覆水难收一般。 这一成语在1592年上演的

发表于:2019-02-01 / 阅读(249) / 评论(0) 分类 英文名句短语

伤口护理 wound management 伤口 wound 一、伤口的性质 Nature of Wound Bed 1、 健康肉芽形成 healthy granulation 2、 上皮形成 epithelialisation 3、 腐肉 slough 4、 黑色或棕色坏死组织 black/brown necrotic tissue 5、 其他(具体说明) specify 二、渗出液 Exu

发表于:2019-02-03 / 阅读(146) / 评论(0) 分类 英文语法词汇

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(308) / 评论(0) 分类 英语新闻

Charles: I dont know how long this power outage is going to last. Do you think we should call Elizabeth to tell her well be late for dinner? Jane: Thats a good idea. Do you know her phone number offhand? Charles: No, I dont, and I cant look it up in

发表于:2019-02-06 / 阅读(133) / 评论(0) 分类 地道美语播客

Carl: Im sorry, say that again. I couldnt hear you over that guy at the next table shouting into his cell phone. Stephanie: That guy is so rude. Were trying to have a leisurely conversation over a cup of coffee, and we have to out shout some inconsid

发表于:2019-02-07 / 阅读(113) / 评论(0) 分类 地道美语播客

Salesperson: Hi, have you been helped ? Greg: No, I havent. Im looking for a new phone. Salesperson: Are you with our company right now? Greg: No, Im thinking about switching . Salesperson: Okay, let me show you our most popular phone. This one has a

发表于:2019-02-07 / 阅读(103) / 评论(0) 分类 地道美语播客

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(267) / 评论(0) 分类 趣味英语

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(218) / 评论(0) 分类 英语新闻

I was looking forward to a quiet evening at home. As soon as I walked in the door, though, the phone rang. Paolo: Hello. Evelyn: Hi, could I speak to Tony? Paolo: Hes not here right now. Can I take a message? Evelyn: Do you know when hell be back? Pa

发表于:2019-02-18 / 阅读(158) / 评论(0) 分类 地道美语播客

Clint: Anya! Long time no see. Let me buy you a drink. Im celebrating. Anya: Oh, yeah? Whats the good news? Clint: My company has had a banner month. Since we launched our new line of software, were having trouble keeping up with demand . Every produ

发表于:2019-02-18 / 阅读(116) / 评论(0) 分类 地道美语播客
学英语单词
acetone oils
Aden, G.of
alif
alizarin monosulfonate
alternaria kikuchiana tanaks
Altirana
anhydromannital-6-phosphate
ankylodactylia, ankylodactyly
asymmetric ionic atmosphere
Australian soft eye splice
Average delivered price
average dislocation
banquet
bawl sb out
bixbite (morganite)
blank deed
burgert
by next month
chirundina streetsi
codeshared
comospore
core frame
credit-sight buying rate
creep up
deplanted
dioramic view
dispensatively
distributed polar rotor
do not enter
drive ... mad
driving circuit
effective sale
egressors
energy dispersive x-ray diffraction
epicellular
equilibrium shear compliance
Eragrostiella lolioides
excessive tallness
faculty of advocate
failure frequency distribution
field board
filling contraction
fully enclosed turret
girdle scones
handwaves
helium layer
herb poultice
hockey leagues
homocyclic nucleus
hydraulic oil tank
insightfully
jet fuel
kidneyshell
kinemometers
korteweg
labraunda
library update
Mentawai (Islands)
Mexicanizations
multivalues clause
Nana Bakassa
nonalloy
omnimedia
ophidians
optical ranging
padan
pierremonts
pizzaria
platen variable mechanism
pontin protein
portledge
pumping hole
punch-and-die process
qs/qt
radioelectrocardiography
reconstructed amber
redundant storage
relief globe
retaining rib
retro-urethral catheterization
rgen
ring-oiler
rose red
saxones
Severance of Diplomatic Relations
soorma
standard mu
state of polarization
stonemasons
syndrome of qi stagnation and blood stasis
tabbis
the terror
thermal dilation
thiolytic
third generation implementation study
topical anaesthesia
torquil
wax figure
well group performance analysis
yelowse
Yukamenskiy Rayon
zeev