音标:['stemɪ] ;
stemmy
['stemi]
adj.
多茎的,多梗的
茎似的,梗似的;细长的

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(253) / 评论(0) 分类 2018年VOA慢速英语(一)月

By Jerilyn Watson Broadcast: November 14, 2004 (THEME) VOICE ONE: I'm Sarah Long. VOICE TWO: And I'm Steve Ember with People in America in VOA Special English. Today we report about two scientists, J. Robert Oppenheimer and Enrico Fermi, who helped l

发表于:2019-01-02 / 阅读(271) / 评论(0) 分类 名人轶事

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(295) / 评论(0) 分类 2017年VOA慢速英语(十二)月

By David Byrd Miami 04 February 2007 While the National Football League's Super Bowl is about the game, it is a culinary event as well. This week in Miami, several restaurants are featuring Super Bowl specials to cater to fans in town to see the game

发表于:2019-01-06 / 阅读(268) / 评论(0) 分类 2007年VOA标准英语(二月)

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(327) / 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(334) / 评论(0) 分类 2011年VOA慢速英语(二)月

By Steve Mort Washington, DC 21 July 2006 watch Robot Warriors The U.S. military is ramping up efforts to cut down on the number of troop casualties in Iraq and Afghanistan. Two thousand five hundred American military personnel have been killed in I

发表于:2019-01-12 / 阅读(314) / 评论(0) 分类 2006年VOA标准英语(七月)

By Stefan Bos Budapest 15 March 2006 The body of former Yugoslav President Slobodan Milosevic has arrived in Serbia on a commercial flight from the Netherlands for a private burial in his home town of

发表于:2019-01-16 / 阅读(278) / 评论(0) 分类 2006年VOA标准英语(三月)

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(225) / 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(329) / 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(319) / 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(441) / 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(330) / 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(562) / 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(496) / 评论(0) 分类 英语新闻

By David McAlary Washington 05 April 2007 Scientists have discovered a genetic reason why some dogs are small and others big. They say the finding has implications beyond canine size, since the work applies to the study of other complex genetic trait

发表于:2019-02-05 / 阅读(334) / 评论(0) 分类 2007年VOA标准英语(四月)

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(352) / 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(319) / 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(386) / 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(308) / 评论(0) 分类 英语单词荟萃
学英语单词
abluent
absorption cost
aiming system
aldon
amp.out
another ten years
anterus
assigned frequency band
automatic thread cutter
autotrophic lake
basic design package
be forbidden
bounding effect
bowl with carved designs
bowlderisation
brassidates
breadth molder
characteristic conoid
class of station
classification of the quantitative system
coactivate
conventional instability
Corydalis anethifolia
covered barge
de-Sunnifies
debug switch
delayed response mode
determination of volume by means of sample-plots
dirty linen
dislocation plateau
door window regulator
ENE, E.N.E.,e.n.e.
flammeum
float timber
floriferousness
foramen postglynoid
Fox Newsian
geochemical mapping
germinating eye
have up
Hawk.
heading
horizontal roller mill
in aggregates
indicated Mach number
individualistic government
intrinsic interest
jah
lambskins
luster and colo(u)r
Martin's pelvimeter
mesomer
mixed cell reference
Moniaive
Mucorineae
natural correspondence between forest and binary tree
network assessment group
nonblank input column
orchestra light
orten
overpeopling
parallel twinning
perigastrum
perplexed children
photo-surface
polygamizes
PRELP
Pīpār Road
quaffer
quasi-insulator
radio ceiling
rake wing tip
rayon staple
remaineth
reply pulse
Research and Development Establishment
restricitive trade practice
richist
Saal-F
sahirah
savings fund
scaphocephalies
scaptomyza (parascaptomyza) pallida
seayak
shuala
slurry polymerization
Specific Duties
spotted owls
structrual information
take a brief
tape select switch
tensor products
the international olympic committee
tooth annulus
traverlling chain oven
trichobranchiate
twisting couple
Ukrainianism
vertical conveyer
villakins
warka
wellmanaged