[医] 深染细胞

Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi

发表于:2018-12-01 / 阅读(291) / 评论(0) 分类 新东方背诵文选

Here and now, cub and cub, pound for pound. The bodies of the falling litter the battle field. The females approach to the victorious males willingly, and with a discerning eye. They gravitate to the i/ storm, knowing that only the fittest gladiators

发表于:2018-12-03 / 阅读(174) / 评论(0) 分类 自然百科2011年

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(117) / 评论(0) 分类 VOA慢速英语2008年(六)月

An international team of scientists at a U.S. university is investigating whether 'cooking' cancerous tumors using tiny nanoparticles in a magnetic field might be an effective and useful treatment. Preliminary findings suggest they may be on the righ

发表于:2018-12-16 / 阅读(135) / 评论(0) 分类 VOA标准英语2010年(十一)月

Long ago, before BandAids, or even medicine of any kind, our ancestors evolved to heal cuts themselves. If you got sliced open, the body blocked it up, to prevent blood loss, water loss, infection. But as we gained that powerwe sacrificed something e

发表于:2018-12-24 / 阅读(154) / 评论(0) 分类 2017年Scientific American(一)月

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- getting hyper about correctness. RS: English once had a system where nouns took different forms depending on whether they were the subject or the object of a sentence. We've los

发表于:2018-12-30 / 阅读(152) / 评论(0) 分类 词汇大师(Wordmaster)

Norm woke up to go to the bathroom. He looked in the bathroom mirror. That bump used to be smaller. It was on the side of his nose. The bump looked puffy. He touched it. It wasn't hard. It didn't hurt. It wasn't a different color. Maybe it was just s

发表于:2019-01-02 / 阅读(147) / 评论(0) 分类 原版英语小短文

英语短文:Cells and Temperature Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only within a narrow ra

发表于:2019-01-08 / 阅读(164) / 评论(0) 分类 英语小短文

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(185) / 评论(0) 分类 2011年VOA慢速英语(二)月

'Serial Killer' Cells Demolish Leukemia Tumors U.S. researchers say they've been able to modify a patient's immune system T cells, turning them into serial killer cells which zero in on cancer and obliterate it. Its being called a breakthrough in the

发表于:2019-01-14 / 阅读(146) / 评论(0) 分类 VOA标准英语2011年(八月)

Volunteers Help Scientists in Search for Cheap Solar Cells Most of today's solar cells are silicone-based and their manufacture requires sophisticated machinery and expertise. An average home in the United States uses between 20 and 24 kilowatt hours

发表于:2019-01-14 / 阅读(145) / 评论(0) 分类 VOA标准英语2013年(七月)

SCOTT SIMON, HOST: You can forget what you thought you knew about taxidermy. Oregon artist Christopher Marley transforms poisonous snakes, tropical fish and exotic insects into works of art. Now 400 of his creatures are on display in a major exhibiti

发表于:2019-01-16 / 阅读(148) / 评论(0) 分类 2018年NPR美国国家公共电台1月

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(162) / 评论(0) 分类 世界各地新闻集锦

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(189) / 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(191) / 评论(0) 分类 科技之光

HEALTH REPORT - Fetal Skin Cells May Treat Burns By Caty Weaver Broadcast: Wednesday, September 21, 2005 I'm Shep O'Neal with the VOA Special English Health Report. A method tested in Switzerland may

发表于:2019-01-30 / 阅读(128) / 评论(0) 分类 健康与经济

chiromancy n.手相术 chirp v.(鸟或虫)唧唧叫 chivalrous adj.武士精神的,侠义的 chivalry n.骑士制度 choleric a.易怒的,暴躁的 chop n.(用斧头等)砍,(风)突然改

发表于:2019-02-01 / 阅读(139) / 评论(0) 分类 GRE英语

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- getting hyper about correctness. RS: English once had a system where nouns took different forms depending on whether they were the subject or the object of a sentence. We've los

发表于:2019-02-14 / 阅读(175) / 评论(0) 分类 英语单词大师-Word Master

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- getting hyper about correctness. RS: English once had a system where nouns took different forms depending on whether they were the subject or the object of a sentence. We've los

发表于:2019-02-14 / 阅读(165) / 评论(0) 分类 英语单词大师-Word Master

Broadcast on COAST TO COAST: March 11, 2004 AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- getting hyper about correctness. RS: English once had a system where nouns took different forms depending on whether they were the su

发表于:2019-02-16 / 阅读(133) / 评论(0) 分类 词汇大师(Wordmaster)
学英语单词
-crowned
All water runs to his mill.
allen attitude scale
americanizing
anywhere but here
asymptotically normal process
automatic subscriber line testing equipment
Bankipore
battlin
be delighted at
Birch Hill
boite
chloroleukemia
chrominance carrier signal
circularcut
complex mixture
condensing mirror
cornutol
critical cross-section
dead insulator
deal-maker
democratic and popular republic of algerias
dermatogenic torticollis
design for reliability
drift error
e-strategy
ecadotril
enabled condition
endaunt
eremophyte
evaluated product source
evolved
extensible register
filagree
first leaves
first stage annealing
four-high reversing cold mill
free company
fungias
gain stabilization
garotted
gradatim
graphical illustration
gravity-held check valve
hadhazy
handlists
heave the gorge
horizontal oil firing boiler
indirect infection
Intefuran
interfering
joint observation
kaoline deposit
kotschbeyite
Liāri
Lombarda, Col du
low pressure chemical vapor deposition (lp-cvd)
maduro
matri
Mompox
Montagney
nepherite
nonqueued
nonremoved
normal focla mechanisms
oughta
Phonrecord
pilot clearance
plate slenderness parameter
posterior cord
proctor-fiscal
proesterous
protective bonding
rail form concrete paver
rasor
regulating valve
residential bid-rent
rhizomnium punctatum
riding stripper
self contained unit
skoroes
slicing criterion
Sobelin
soft extrusion
steam-admission valve
strain gauge technique
stream degradation
sulfapyridine
surbased arch
tachhydrite
tail builder
tarcher
textile board
Tomberg
Trajan's Bridge
transistor noise figure
two-speed
V formation
ventricular wall motion
venture upon
waziristans
wormseed