[网络] 数十亿个透气小孔

The Doors That Are Open To Us Good morning, Ladies and Gentlemen, the title of my speech today is “The Doors That Are Open to Us.” The other day my aunt paid me a visit. She was 1)overjoyed. “I

发表于:2018-11-28 / 阅读(311) / 评论(0) 分类 疯狂英语2004年

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(337) / 评论(0) 分类 新东方背诵文选

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(165) / 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(174) / 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(203) / 评论(0) 分类 2017年Scientific American(一)月

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(178) / 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(229) / 评论(0) 分类 英语小短文

By Efam Dovi Accra 23 August 2006 In Ghana, a high court in the capital Accra Tuesday sentenced five robbers to more than 300 years in prison in what the police say is a clear sign the country is taking violent crime seriously. The spate of armed ro

发表于:2019-01-11 / 阅读(274) / 评论(0) 分类 2006年VOA标准英语(八月)

By Carol Pearson Washington 27 March 2007 watch Heart Stem Cell report It is being hailed as a major medical breakthrough: cardiologists are using adult stem cells, not the controversial embryonic stem cells, to rejuvenate the hearts of patients who

发表于:2019-01-11 / 阅读(213) / 评论(0) 分类 2007年VOA标准英语(三月)

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(216) / 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(179) / 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(184) / 评论(0) 分类 VOA标准英语2013年(七月)

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(202) / 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(227) / 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(248) / 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(166) / 评论(0) 分类 健康与经济

By VOA News 20 November 2007 Two separate teams of scientists say they have transformed ordinary human skin cells into ones that look and act like embryonic stem cells. Laboratory teams at universities in the United States and Japan Tuesday announced

发表于:2019-01-31 / 阅读(152) / 评论(0) 分类 VOA常速英语2007年(十一月)

WASHINGTON, Aug. 23 (Xinhua) -- Australian tennis player Lleyton Hewitt withdrew from the US Open on Tuesday due to a foot injury. The 30-year-old, winner of the US Open in 2001, was bothered by the foot problem the whole summer. Hewitt underwent sur

发表于:2019-02-06 / 阅读(191) / 评论(0) 分类 英语新闻

BEIJING, Oct. 4 (Xinhua) -- World number one Caroline Wozniacki and third seed Vera Zvonareva on Tuesday both sailed through to the third round at the China Open, but followed different paths. Wozniacki needed only one hour and 20 minutes to outclass

发表于:2019-02-08 / 阅读(211) / 评论(0) 分类 英语新闻

NEW YORk, Sept. 1 (Xinhua) -- Serena Williams and last year's French Open champion Francesca Schiavone played red hot matches in U.S. Open as Williams allowed only one game and Schiavone surrendered two in cuising into third round on Thursday. Willia

发表于:2019-02-08 / 阅读(263) / 评论(0) 分类 英语新闻
学英语单词
Abney level
always a bridesmaid, never the bride
appurtenances reactor
architectural feature
ass sucker
atumble
Austur-Landeyjar
bankerage
baryta coated paper card glossy smooth
bet up
bit walk
cadmium periodate
cashabler
cathode current
chantable
Chuǔlonp'o-ri
clean nonmilitary vessel category
communitary
concert tour
coniluruss
consumer socialization
contact grout
correct subset
crocidismus
cuquenans
deadlands
delistings
dentinger
dial gauge comparator
dowty controllable retarder
EKW (electrical kilowatts)
empathizing
environmental hydro science
European Sounding Rocket Launching Range
fire and allied perils
firebaugh
folium eriobotryae
general adaptation reaction
gloriosus
halcyon pileata
hamermesh
hard headed
heroic prose
high pitch propeller
homocyclic ring
Hunteria zeylanica
hyperleptorrhine
impliable
injurious deformation
inside berth
insignite
intercepted
kram
lagreca
leucite ijolite
limpens
mandrel(mandril)
marginal productivity theory
maritime zone
maximin-utility criterion
Melton fabrics
merozygotes
non-normal error term distribution
Nucleus rhomboidalis
oridio
Penspek
pepper-gas
poroscopy
product
programming language design
Pseudotaxus chienii
Pulandian
PyNPase
quadriquaternion
Raman spectropho-tometer
Rangasa, Tg.
reasonable alignment of shafting
reticulo-endothelial system
ringaskiddy
septate mode
shaving strop hook
sphaerica
sportify
stillingia oil
stiltish
Sturt Plain
sudor cruentus
surface-channel charge-coupled device
sweetmix
the fleet
thermal energy region
trictum
trinuride
triple pressed stearic acid
tropylium cation
unrolls
update checker
upper bounded variable
vinello
wait-state generator
wichtine (tachylyte)