顶端细胞型

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(235) / 评论(0) 分类 VOA2003(下)-环境与健康

Lesson 38 Text A Can't She Type? The well-known banker, T. J. Ellington, was at one time in his younger days the manager of a New York office. His secretary had been with him for many years, and knew

发表于:2018-12-02 / 阅读(320) / 评论(0) 分类 初级口语教程

Bella: What's your blood type, Luke? Luke: It's A, I think. Why do you ask? Bella: Well, mine's B. Luke: So? Bella: They say people with A blood type get along very well with those with B blood type. Luke: Really? 你是什么血型? 贝拉:卢克,

发表于:2018-12-08 / 阅读(482) / 评论(0) 分类 赖世雄初级美国英语

III. Listening In Task 1: Stem Cell Research Script Gregory: The Republican party in America is opposing stem cell research. I find it hard to believe that in this day and age, someone would do that. Lillian: Stem cell research sounds pretty impressi

发表于:2018-12-29 / 阅读(111) / 评论(0) 分类 新视野大学英语:视听说教程 4

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(186) / 评论(0) 分类 国家地理2008年

发表于:2019-01-02 / 阅读(282) / 评论(0) 分类 知性英语

By Carol Pearson Washington 16 April 2007 Watch Diabetes report Type 1 diabetes can affect anyone but it usually starts in people younger than 30. It is a lifelong disease, and there is no cure. But doctors recently tested a stem cell therapy that a

发表于:2019-01-09 / 阅读(196) / 评论(0) 分类 2007年VOA标准英语(四月)

Scientists have identified a unique genetic mutation in about 10 percent of people with type 2 diabetes(糖尿病) studied in the United States and Europe. The discovery could help some people learn if they are at risk of developing diabetes so they

发表于:2019-01-11 / 阅读(204) / 评论(0) 分类 英语新闻

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(170) / 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(141) / 评论(0) 分类 VOA标准英语2008年(五月)

DAVID GREENE, HOST: Scientists have taken one more small step toward understanding what makes the human brain unique. As NPR's Jon Hamilton reports, they've identified a type of brain cell that exists in people but not in rodents. JON HAMILTON, BYLIN

发表于:2019-01-17 / 阅读(176) / 评论(0) 分类 2018年NPR美国国家公共电台8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(170) / 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(160) / 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(313) / 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(273) / 评论(0) 分类 趣味英语

When Im old and grown 当我长大,不再稚嫩 I wont sleep alone 我不会再独枕空床 Every single moment will be fading into you 每时每刻都会与你形影难分 That some type of love 有种爱,情难自已 That some type of love 有种

发表于:2019-02-17 / 阅读(147) / 评论(0) 分类 听歌学英语

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(221) / 评论(0) 分类 英语新闻

Topics: Alcatraz; The Simpsons; using negation with an infinitive; heaven versus heavens; kind of versus sort of versus type of Words: to escape guard jailbreak cover-up cell haunted animated dysfunctional family trouble-maker pacifier merchandise le

发表于:2019-02-23 / 阅读(128) / 评论(0) 分类 美语听力 English Cafe

Bella: Whats your blood type, Luke? 贝拉:卢克,你是什么血型? Luke: Its A, I think. Why do you ask? 卢克:我想是A型。你问这干嘛? Bella: Well, mines B. They say people with A blood type get along very well with those with

发表于:2019-02-27 / 阅读(231) / 评论(0) 分类 天天练口语

When I'm old and grown I won't sleep alone, woah oh Every single moment will be faded into you That's some type of love That's some type of love And I won't sing the blues Cause all I need is you, woah oh Every single question will be answered all by

发表于:2019-03-02 / 阅读(261) / 评论(0) 分类 音乐咖啡厅
学英语单词
acne varioliformis miliaris
aerial form
algorithmic rules
angle of twist
anti-insulinase
aquisition of patent
Astacus japonicus
Ayer, Sir Alfred Jules
bartsches
base ion exchange
benzoylimino
blazarlike activity
bonnethead
branles
cade
Chwaszczyno
cottonize
Crysocolla
cylindrical jaw
deagnostic output file
elevator driving rack
environment noise
equiss
erosion resistance
evaporation from water surface
extrusion prevention
fart tip
fiber-optic bundle
firmianas
flatteresses
free amino acids (faa)
fresh air room
geo-
geseous conduction rectifier
happy shop
hydrologic regimen
hydrolytic degradatiion
in situ field measurement
index of speciality
infant mortality
isometrically
kalyvas
keystone corner
launder sand slicer
line-to-line correlation
mathie seed
matrimonial guilt
microlance
microsieve
monoecious
mulos
nm (nanometer)
odd men out
oil in water type coolant
omentin
open-ended working group
origination fee
otophysans
personal interests
phenomes
pingy
PoE injector
precisionaire
preview dialer
quartz-porphyrite
quick action cylinder cap
RACWA
recovery in kind
run through something
scattering diffusion tensor
Scincella
scroller
self-blamer
sick day
sixty four thousand dollar question
span check
steaming the medicinal herbs
stinkbomb
Stirling, Mt.
stosstheraphy
strathkelvin
sulphur free-cutting steel
sunny yellow
surface micelle
tachyplesin
tack sth on
tail-end booster
telescopic system
three way pipe
Torikabuto-yama
transfilter
translucently
Tugaske
two cents(')worth
underdetection
unisol process
uranosilite
vf
weard
Youngs, L.
zehr
zygomaticoorbital foramen