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(177) / 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(214) / 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(226) / 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(220) / 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(237) / 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(263) / 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(296) / 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(177) / 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(245) / 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(268) / 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(388) / 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(176) / 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(256) / 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(286) / 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(400) / 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(264) / 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(235) / 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(307) / 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(250) / 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(235) / 评论(0) 分类 英语作文
学英语单词
above reproach
acanthellas
accelerated fermentation
account sales ledger
agricultural pollutant
al-idrisi
Antarcticans
Apyauk
autocorrelation spectrum
auxano-
availavility
Bauhausians
body packer
budd l.
calyx-lobe
Carlux
cell liquor head tank
Celtist
chimney-pots
concentric flattened strand wire rope
crew flight time
dynamic route allocation
e & e.o.
electrical code
electron configuration
face-loading equipment
fifteen-years
foamies
freedom of motion
get in the swing of things
guided missile frigates
Haib
hold someone in derision
immunotoxicologists
incapacity
indrawn
industrial investment
interiority
internet-only
iran-iraq wars
Juillac
kahikatoa
Körperich
labial tumor
leaf opened stage
Lindley.
linearity correction circuit
literary pirate
locked push button
made a name for herself
maidenkin
mediacentric
microseepages
MIDI messages
neoza
net positive suction head required for pump
Nethead
netted melon
nonsingular network
nonvotes
Novo Aripuanā
open in dark room
panoramic screen
petroleum reservoir engineering
pheromone biosynthetic activating neuropeptide
Phi Betes
picofarad per meter
PMD (post mortem dump)
polyaxially
post-plotting
prairie wagon
psychoactivator
regenerative heat exchanger
reticulite
retrig
rhetorical act
rigmaroles
Rocky River
Santals
Shalkar
sheath bonding
shmucks
slantendicular
sleep-time
steam boiler
strait-jackets
strobiles
strontium metavanadate
syston
t-like statistic
tail pointer
tetrachlorvinphos
Torfufell
training
treson
tuned reed frequency meter
two sexes
undergroundhorizontal control survey
unit cube
unnes
vulcanization accelerator ZDMC
yellow bristlegrass