天干

Most college students in the United States choose their major, or main field of study for their degree, before or during their first year. For Saskia Fagan, making that choice was not easy. Fagan, who is now 31 years old, grew up in Takoma Park, Mary

发表于:2018-12-12 / 阅读(68) / 评论(0) 分类 2018年VOA慢速英语(一)月

Next time you need directions, maybe ask an ant. Because these clever little critters are such masters of navigation that some can find their way home whether theyre walking forward, backward, or sideways. Thats according to a study in the journal Cu

发表于:2018-12-24 / 阅读(90) / 评论(0) 分类 2017年Scientific American(一)月

A Celestial Ambience 劫后余生:巴黎圣母院 As a testament to the correlation between glorious spaces and heavenly thoughts, the Notre Dame de Paris has stood for 750 years as the apex of European religious architecture. Seeking to liberate t

发表于:2019-01-02 / 阅读(86) / 评论(0) 分类 双语有声阅读

SCIENCE REPORT — March 27, 2002: New Stem Cell Study By Mario Ritter This is the VOA Special English SCIENCE REPORT. Researchers at an American medical center say special stem cells in normal human

发表于:2019-01-02 / 阅读(142) / 评论(0) 分类 科技之光

Rwanda Invests in STEM Education for Girls Yvonne Kevia is an 18-year-old high school student in Rwanda. She wants to become a chemical engineer. She enjoys doing experiments and taking careful notes in her high school laboratory in Kigali, Rwandas c

发表于:2019-01-02 / 阅读(116) / 评论(0) 分类 2017年VOA慢速英语(十二)月

HEALTH REPORT - New Embryonic Stem Cell Lines Developed for Researchers By Paul Thompson Broadcast: Wednesday, August 11, 2004 This is Gwen Outen with the VOA Special English Health Report. Researcher

发表于:2019-01-08 / 阅读(114) / 评论(0) 分类 健康与经济

SCIENCE IN THE NEWS - Progress Made in Stem Cell Research By Caty Weaver, Jerilyn Watson, ... Broadcast: Tuesday, May 31, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I

发表于:2019-01-09 / 阅读(97) / 评论(0) 分类 科技之光

FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. Im Faith Lapidus. CHRISTOPHER CRUISE: And Im Christopher Cruise. Today, we will tell about possible hope for children suffering from damage to their nervous system. We will also tell

发表于:2019-01-12 / 阅读(129) / 评论(0) 分类 2011年VOA慢速英语(二)月

Astronomers Are On A Celestial Treasure Hunt. The Prize? Planet Nine SCOTT SIMON, HOST: Astronomers now think they've discovered a new planet in our solar system. All they have to do is find it. NPR science correspondent Joe Palca has been exploring

发表于:2019-01-17 / 阅读(144) / 评论(0) 分类 2016年NPR美国国家公共电台8月

President Bush says he will veto legislation that would relax restrictions on embryonic stem cell research. There is growing bipartisan support in Congress for changing those rules. 布什总统表示他将否决要求放松对胚胎干细胞研究限制

发表于:2019-01-19 / 阅读(83) / 评论(0) 分类 VOA双语新闻 Bilingual News

Australian researchers may have discovered a new way to treat hearing loss in infants. And the secret lies in the NOSE. Our reporter Li Dong has the details. Noses comes in all shapes and sizes, and Australian scientists are now trumpeting a new use

发表于:2019-01-19 / 阅读(119) / 评论(0) 分类 世界各地新闻集锦

Im all for stem cell research. I know it is a huge issue at the moment. Lots of people dont like it. They say it is unethical and that it is playing God. Other people say we will create Frankensteins monster. Britain seems to be leading the world in

发表于:2019-01-24 / 阅读(92) / 评论(0) 分类 听一分钟英文-S

By Alex Villarreal Washington 28 February 2008 Adult stem cell therapy has successfully treated leukemia and other cancers for years, in the form of bone marrow transplants. A new study in the Journal of the American Medical Association [JAMA] finds

发表于:2019-01-25 / 阅读(259) / 评论(0) 分类 VOA常速英语2008年(二月)

Beating Heart Tissue from Stem Cells In a study in the journal Science, researchers explain how they used mouse embryonic stem cells and microchip technology to create heart muscle tissue that actually beats. Cynthia Graber reports One of the goals o

发表于:2019-01-30 / 阅读(145) / 评论(0) 分类 60秒科学

> 39 脂肪中的茎细胞有助于治疗糖尿病 DATE=4-26-01 TITLE=SCIENCE REPORT- Stem Cells in Fat BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-30 / 阅读(144) / 评论(0) 分类 科技之光

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

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)

Japan's government and the country's central bank took action Thursday to dilute the yen. The Japanese currencys strong standing against the dollar is making exports more expensive, hurting efforts to revive the country's moribund economy. After many

发表于:2019-02-18 / 阅读(108) / 评论(0) 分类 英语新闻

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

今天我们要学的词是stem from. Stem spelled s-t-e-m, stem; and f-r-o-m, from. Stem from是源自,来源于的意思。The UN said Syrian government forces are responsible for most of the violence stemming from the country's unrest. 联合国表

发表于:2019-02-18 / 阅读(123) / 评论(0) 分类 英语单词荟萃
学英语单词
agesensitivity
annual maximum
anti-poison respirator
anti-revisionist
aquaelung
artificial tween deck
asterites
Bas Giuba, Reg.
be one over the eight
Bertrand's postulate
bisque firing
blanket cleaning device
Broutona, Zaliv
Bunker Hill, Battle of
castelluccio valmaggiore
Cauchy horizon
cesium vapor cathode
changeable phase object
charles wilkess
chemical surface attack
chiping
commodity-flow analysis
compression fractures
cross cut saw machine
df (decontamination factor or dilution factor)
diagnostician
document storage management
error in design
fetch rule
finnish monetary units
flexible conduit
flocculation precipitation
For the Common Safety
franchised dealer
gas engine driven heat pump
gear input shaft
genus Coelogyne
grading shoe
harbo(u)r engineering
heap-leach
hemopexins
honze
impoverishments
isopropyl lactate
job input data
JWICS
kristal
macro ring
material particulars
meataxe
merrington-pearson approximation
metering transformer
most qualified
motor-skill
nonsymptomatic
nordisk forening for folkdansforskning
nose and throat
nuclear powered tanker
on analogy of
oxypyrrolnitrin
partest
ph electrode
phase control device
PIDC
pillow block frame
pipebuzone
pluripotency,multipotency
porogamy
prewired external circuitry
propleg
przemysls
RCDTL
rossow
RS (reset key)
sajicas
second session
separandum
shut yourself away
single-flow boiler
solexes
star boundary
steady climate
stock broking business
strategic alignment
suberectus
sulcus palatinovaginalis
swalm
tabular ferric concretion
tarpaulin eye
technical monopoly
terminal deoxynucleotidyl transferase
thin-layer chromatograph
third-last
top-storey
tororo
trigger gas
tuning-curve
type of action of an element or system
unpalletised
unsware
violence against women
warren de la rue