树干形数

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(130) / 评论(0) 分类 2018年VOA慢速英语(一)月

Evidence is seen for a possible cause of solid tumors, but many questions remain. Transcript of radio broadcast: 24 June 2008 This is the VOA Special English Health Report. Some experts predict that doctors will someday use stem cells to treat many

发表于:2018-12-15 / 阅读(139) / 评论(0) 分类 VOA慢速英语2008年(六)月

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(179) / 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(182) / 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(165) / 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(203) / 评论(0) 分类 2011年VOA慢速英语(二)月

By Jim Malone Washington 17 August 2006 The ethical and moral debate over expanding embryonic stem cell research could motivate voters on both sides of the issue in this year's U.S. congressional elections. Color-enhanced stemcell from bonemarrow Em

发表于:2019-01-13 / 阅读(231) / 评论(0) 分类 2006年VOA标准英语(八月)

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(137) / 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(178) / 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(196) / 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(328) / 评论(0) 分类 VOA常速英语2008年(二月)

The Guardian: Lawyers say facebook and Twitter have become a significant threat to marriage with social media now a factor in an increasing number of divorce cases. According to research, one in seven married individuals have considered divorce becau

发表于:2019-01-28 / 阅读(130) / 评论(0) 分类 双语趣听精彩世界

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(210) / 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(221) / 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(326) / 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(199) / 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(174) / 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(231) / 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(200) / 评论(0) 分类 英语单词荟萃

英语考试作文常用原因句型 原因 1.A number of factors are accountable for this situation. A number of factors might contribute to (lead to )(account for ) the phenomenon(problem). 2. The answer to this problem involves many factors. 3. Th

发表于:2019-02-21 / 阅读(180) / 评论(0) 分类 英语作文
学英语单词
abuse of dominant position
albuginea oculi
Ambl.
amputation injury
arana
arbitral college
Armourdale
bhagavad
bisergostadienol
boiler maneuvering test
Bragg equation
candida paronychia
casteisms
Cent. Afr. Rep.
centralized architecture
centre cross member
Changbai Mountains
cladrastis luteas
close reefed
cochenillic acid
cold fusion
communication statistics
compartment standard
core grinder
correlational matrix
criterial
cutoff accuracy
Damanava
day fine
dharana
Dilgicor
dissipate sb's interest in sth
drive sb to the wall
due process (of law)
dustcell
eatonville
epidemic typhus fever
fedderson
flurazepam hydrochlorides
formula film
foursome
freeze-dried product
Galleria mellonella
general osteitis
genus graptophyllums
gryphons
h.w.m.
halftone-rich original
hank reeling
have some apprehensions of
hearkened
hemipelagic
hepping
high-voltage magnetron
hojah
hydraulic-brake shaft
hyphenation control
inhibition of photosynthesis
krausite
label attribute
leazing
liquid cyclone
Little Humboldt R.
low-energy coast
magnitude of lighthouse
make a thing of
market capitalizations
miners' canary
MNH
Monos, I.de los
neurol.
neutron radiations
nonsystem job
overdesigns
packed file
partial vacuum
percentage of elongtation
phenylmethanal
phenylpyrrole
PICATHARTIDAE
ploughgirls
pyroclastic rock
radiant sensitivity
re-export trade
rectangular game
reflecting HOE
sargassum swartzii
signal shifter
sponsoring
starter marriage
stocking limit
subbeadle
tee shirt
terence stamp
time-inconsistent
Tompkins County
Tooies
tri-n-octylamine sulfate
viscosity-sensitive rotameter
voltage-measuring equipment
voltalic cell