[医] 内质细胞

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(238) / 评论(0) 分类 新东方背诵文选

A: What am I supposed to do with this plastic cup? B: That cup is for a urine sample. A: How, exactly, does this work? B: This particular test calls for you to urinate into the cup after you have urinated a little into the toilet. A: When I finish, w

发表于:2018-12-02 / 阅读(116) / 评论(0) 分类 英语情景对话-健康

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(78) / 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(81) / 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(100) / 评论(0) 分类 2017年Scientific American(一)月

I had lots of pen pals. Very few of my pen pals have met because they live abroad. I got a phone call from Jenny, my Dutch pen pal, since she will live in my house next week. How interesting will be to me someone that I knew through letters! I can n

发表于:2019-01-02 / 阅读(86) / 评论(0) 分类 不用背句型学英语

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(100) / 评论(0) 分类 原版英语小短文

SCIENCE IN THE NEWS - October 22, 2002: Nobel Science Prizes By George Grow VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with SCIENCE IN THE NEWS, a VOA Special English program a

发表于:2019-01-04 / 阅读(178) / 评论(0) 分类 科技之光

SCIENCE IN THE NEWS -May 7, 2002: Humans and Chimps: What's the Difference? / Thousands of Ancient Remains Found in Peru / Rice Genes Mapped VOICE ONE: This is Doug Johnson. VOICE TWO: And this is Bob

发表于:2019-01-07 / 阅读(101) / 评论(0) 分类 科技之光

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(98) / 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(126) / 评论(0) 分类 2011年VOA慢速英语(二)月

By Stephanie Ho Washington 24 August 2006 The MacArthur Foundation, better known for offering so-called genius grants each year to individuals, will now recognize small non-profit organizations. The groups are diverse and are in different countries,

发表于:2019-01-13 / 阅读(165) / 评论(0) 分类 2006年VOA标准英语(八月)

'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(101) / 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(90) / 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(116) / 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(141) / 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(141) / 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(88) / 评论(0) 分类 健康与经济

Locals joke that Yemeni trees are actually blue and red, the color of the plastic bags that you get when you buy qat, a mildly narcotic leaf, and the Yemeni national past time. Heather Murdock | Sana'a, Yemen 01 April 2010 A view of the Sana'a seen f

发表于:2019-02-07 / 阅读(83) / 评论(0) 分类 VOA标准英语2010年(四)月

Deafness 'Cure' is a Goal for Science The New York Academy of Medicine recently (October 3) hosted a research summit sponsored by the Hearing Health Foundation to promote a cure for deafness caused by damaged hair cells in the ear. An estimated 37 mi

发表于:2019-02-12 / 阅读(126) / 评论(0) 分类 VOA标准英语2011年(十月)
学英语单词
abc inventory classification system
aggregate economic data
air valve cap
Al Kabā'ish
all of a dither
alopecia circumscripta
American painted lady
Aroche
asymmetric system
axanthocyanopsia
benzodiazepines
berthing compartment
boat-on-board ship (bob)
bushehr (bushire)
cercospora fagopyri nakate et takimoto
Cervagem
chrome tanned
crankled
cross-compound turbo-alternator
cuatros
Curtis wheel
defective interfering virus
differential spoilers
elbow pipe
enable ... to do
error concealment
external entity
factor Xa
ferreri
flobert
free hand
Galanta
global communications system
Guggenheim fellowship
hearing-impaireds
Hebrew Union College
hemisferio
homogeneous conductivity
hydrocarbon-based
iglu
impeachment proceeding
inconvertible notes
incorporeous
insectivore
internal clock
josselins
kickers
lillistone
lip balms
longitudinal expansion joint
manufacturing city
mew up (in)
microcrystalline powder
misconclusions
modernization of law
mondi
Morrovalle
morum amabilis
moss crepe
myriad applications lozenge
netware managed site
okayish
olethorax
operating lever connecting yoke
outdoor-advertising
perturbed force
plain fit
Plectrovirus
polygonality
ponchetti
reflected electron detector
reserve for bad loan
reusable architecture
road-mix method
safety gear
Scherbius machine
scrimshankers
self-overcoming
selwood
silverbacking
Sing Sing
spiral bevel gear with constant teeth depth
stair-step moss
thermalises
timing-gear-case cover
to stipulate
trallixanthin
transexualism
tricolorous
tuft grid method
turnkey franchising
uponlandis
upperclass
Valuéjols
variable-speed metering pump
vascular tonic
video-recordeds
washbottle
weather code
wet-blub temperature
wet-spun
Wolf trap