[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(441) / 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(290) / 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(283) / 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(247) / 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(305) / 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(310) / 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(290) / 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(347) / 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(334) / 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(271) / 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(294) / 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(302) / 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(329) / 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(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

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(303) / 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(271) / 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(318) / 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(328) / 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(319) / 评论(0) 分类 词汇大师(Wordmaster)
学英语单词
affirmly
agarick
airborne infrared early warning system
alloying atmosphere
Ambesh
anise
arthrtosis
Back in the Box
background limited photodetector
barman
brass scraper
bus tie link
catalyst deterioration
Cecil Beaton
central processor control
central venous catheterization
cheesepared
chemical induction
cloyingest
coete
concern-troll
consympathite
cornplanter
curved drawing ammeter
cylindrocarpon supersimplex
cytocannibalism
envisioner
eov (abbreviation)
evaporation stage
expansion busing
ferforth
ferrous succinate
fluid-meter
Framnes Mountains
French plum
from Jericho to June
frustrately
gaming model
gaysian
Geneva drive
ground capacitor
guttulinopsis nivea
harmfull
hide extensions
humaniser
idle running
import penetration ratio
inlet well
Jack-a-Lent
lactimide
Lappula tadshikorum
lay sth to heart
liquid aluminium
lirata
log wood
looped pipeline
lovies
loxoconcha gouae
Near-Easterly
neutral theory
no-load cutout
nype
orecome
oxidizers
Paramethad
personal belongings
phase - locked loop
pleistophorosis of eel
premade
prunosus
pulse response duration
real-time interactive reference retrieval system
receive data service request
regulated station
rusco
schwetschkeopsis fabronia
sequential solution method
sit-down
size of drawing
spondulics
ST_beliefs-and-opinions_believable
super second
taken account of
teabaggin'
thermostable softening agent TN
thought-leader
to clam up
topaz safronite (citrine)
total on-line program and information control system
transient liquid phase epitaxy
tweendeck space
unquakerlike
up-ramp
uranium complex
uranium hydrogen phosphate
vanilol
ventrispinalia
vertically sliding window
wagonworks
Wairoa Falls
wing-coverts
woolly raspberry