[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(374) / 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(406) / 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(252) / 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(223) / 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(278) / 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(253) / 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(311) / 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(319) / 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(273) / 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(292) / 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(239) / 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(267) / 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(280) / 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(292) / 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(446) / 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(256) / 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(212) / 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(277) / 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(265) / 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(356) / 评论(0) 分类 英语新闻
学英语单词
abiocine
acender
acreage meter
afternoon suit
Agapetes praeclara
aluminium-silicate fibre
an-high
apply force
arabin water
arc label
arc potential
asset securitization
autothermic
auxiliary pumpdrive assembly
benziodarone
Bint Ruqayyah
cash-for-questions
chrome developed dye
cohomology sequence
comptometers
condenser-type spot welder
constant excitation
cytherura miurensis
dedicated link
deduplication
densifolia
detector array type electronic white boards
distributary river
dogging device
effective throat thickness
elijah wood
enteroproctia
epicureans
euthynnus pelamiss
ex-rights date
exchange coupled ion pair
fibrous plaque
flap-valve
flight check criterion
floor value
frame deflector coil
frumety
gear change lever
give the appearance of
glow-switch-starter
glycopeptidase
guarantee of insurance
half-round bar
haptotaxls
hiatus adductorius
high-pressure discharge lamp
hindmore
huascolite
Hypervisor
inlaws
Laguna de Guadalupe
large-aperture antenna
Lohmar
maritime arbitration
Mattamuskeet, Lake
Mendrisio
metapnystega
methane sulfonate phentolamine
military buildup
mono(ethylhexyl) phosphonic acid
non-real
nonhabitual
onont
output device control
overadored
palka
passeri
passive adaptive control
podocalyxin
Pogǒch'ǒn
protection for interturn short-circuits
pseudoyeast
queue system
rapid scanning spectrometer
reast
rebind
reciprocating mass
remote terminals
remotely operated pipette
Renca
resynthesize
rockeries
SASP
seizure resistance
selfprogramming
signalmen
somatotomy
stern sheets
syncyanose
theopolis
tip-lift type perforated plate
vindemiation
wax-sealed
william holmes mcguffeys
within easy distance of
wood histology
Yaguarón