音标:[stem tə:n] ;
[体]半犁式转弯
词型变化:名词复数形式 : stem turns
【近义词】

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(555) / 评论(0) 分类 2018年VOA慢速英语(一)月

[ti:UNIT 2 Plant a Plant! Lesson 15: Danny Grows Grain!] [0:00.293]UNIT 2 第二单元 [0:01.961]Plant a Plant! 培育植物 [0:03.672]Lesson 15: 第15课: [0:05.842]Danny Grows Grain! 丹尼种粮食! [0:08.637]Date: 日期: [0:09.639]March 28

发表于:2018-12-13 / 阅读(644) / 评论(0) 分类 河北教育初中英语(初中起点)八年级下册

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(525) / 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(552) / 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(550) / 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(652) / 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(667) / 评论(0) 分类 2011年VOA慢速英语(二)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(467) / 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(597) / 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(548) / 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(756) / 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(613) / 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(861) / 评论(0) 分类 科技之光

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(565) / 评论(0) 分类 2007年VOA常速英语(十月)

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(848) / 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(629) / 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(546) / 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(731) / 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(564) / 评论(0) 分类 英语单词荟萃

Science and technology 科学技术 The 2012 Nobel prizes 诺贝尔生理学奖 Good eggs 再生医学界的大好人 THIS year's Nobel physiology prize goes to Sir John Gurdon and Shinya Yamanaka for a crucial discovery in stem-cell science?how to m

发表于:2019-02-24 / 阅读(530) / 评论(0) 分类 经济学人科技系列
学英语单词
abdicable
API reference
Argelina
asymptotically normal process
automatic ball valve
bespouse
Biesenhard
canisters
channel server
chelidonism
Chemflurazine
chemical stencil
civeted
cockader
comicly
concentrator pressure
construction department
controllable costs
corona protection
demagnetizing band
dentinification
Durwalē
Epilobium platystigmatosum
equivalent line reactance
etiolated plant
eyes like gimlets
feed disc
flat slab
forest physics
Francis I
frequency temperature characteristic
frozen iron
go into something
grant back
hand puppets
harico
have relevance to
high strength welded steelpipe
hydropsy
hypermeasures
iceway
ichthyotoxicity
iliac crest biopsy
impended
inferential control
karyochrome cell
Kollsman window
manic-depressive illness
minimum noise margin
mobile-data
multi-span elastic rotor system
nitrobenzotrifluoride
overhydrocracking
overline
phasemeter
phone phreakdom
pintail comb
plunge grinding machine external
Praxiteles
pressure geophone
princeships
pruriginous
re-addicting
remote surveillance
rhomboid skin flap
right-recursive rule
sclerosing lymphangitis of the penis
security business
sequence-of-treatment effect
setting-up screw
shake one's head
shellshocked
shillelaghs
Siberian plague
single-unit nuclear power plant
slangings
soot dust
spin-stabilized missile
standard analyzer
standard oscillator
static calculation
steam locomotive in operation
strung
sum of normal variates
take warning by
teaching ladder
technical writing
tera amps
tetraommatus taiwanus
the offense
three-wire trunk line
track occupancy indication
trajectory diagram
trapanners
turning around
tussefane
two-strokes
usurious loan
vegetalcule
Venae atriales dextrae
voigt-kelvin solid
volutharpa ampullacea