[医] 汉勒氏细胞(细精管大粒细胞)

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(222) / 评论(0) 分类 新东方背诵文选

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(63) / 评论(0) 分类 VOA标准英语2010年(十一)月

The world's first lab-grown burger has been cooked and eaten in London. Scientists hope the new technology can be a sustainable way of meeting growing demand for meat and protect the environment. CRI's London correspondent Tu Yun has more. The burger

发表于:2018-12-19 / 阅读(75) / 评论(0) 分类 世界各地新闻集锦

Liposuction's Limits Doctors have long suspected that excess fat around the belly -- as opposed to the thighs or hips -- increases the chances of developing heart disease, high blood pressure and diabetes. Apparently, belly fat doesn't just lie there

发表于:2018-12-30 / 阅读(91) / 评论(0) 分类 英语流行话题阅读:语境识词4500

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(81) / 评论(0) 分类 原版英语小短文

Cleopatra's Eyeliner: Peeper Health Keeper A study in the journal Analytical Chemistry finds that the black eyeliner worn by ancient Egyptians may have had properties that helped ward off eye-damaging bacterial infections. Cynthia Graber reports When

发表于:2019-01-02 / 阅读(131) / 评论(0) 分类 60秒科学

A cook named William is working on making a sweet treat. Another is busily preparing paella, made of seafood and rice. They and other cooks are moving around a big kitchen in a hurry. They are not getting ready to serve guests at a restaurant, howeve

发表于:2019-01-03 / 阅读(98) / 评论(0) 分类 2018年VOA慢速英语(四)月

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(77) / 评论(0) 分类 英语小短文

SCIENCE IN THE NEWS - Diabetes and Alzheimer's / Treatment for Alzheimer's / No Link between Vaccine and Autism By Broadcast: Tuesday, May 25, 2004 VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Speci

发表于:2019-01-11 / 阅读(82) / 评论(0) 分类 科技之光

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Bob Doughty. Today we tell about the latest research and treatments for Parkinson's disease. (MUSIC) VOICE ONE: In some patients, doctors place elec

发表于:2019-01-11 / 阅读(85) / 评论(0) 分类 VOA慢速英语2009年(四)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(109) / 评论(0) 分类 2011年VOA慢速英语(二)月

SCIENCE IN THE NEWS - American Scientists Create The World's First Genetically Engineered Monkeys CHRISTOPHER CRUISE: This is SCIENCE IN THE NEWS, in VOA Special English. Im Christopher Cruise. JUNE SIMMS: And Im June Simms. Today, we tell about the

发表于:2019-01-12 / 阅读(64) / 评论(0) 分类 2012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(87) / 评论(0) 分类 VOA标准英语2011年(八月)

New Treatments Emerging for Parkinson's Disea Sarah Taylor knew something was very wrong, but she never dreamed she had Parkinson's disease. It was a shock. But it was a relief when I found out what was wrong with me, though, she recalled. Five years

发表于:2019-01-14 / 阅读(63) / 评论(0) 分类 VOA标准英语2013年(二月)

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(70) / 评论(0) 分类 VOA标准英语2013年(七月)

'Minibrains' Could Help Drug Discovery For Zika And For Alzheimer's play pause stop mute unmute max volume 00:0003:52repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Fl

发表于:2019-01-16 / 阅读(66) / 评论(0) 分类 2016年NPR美国国家公共电台11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(105) / 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(118) / 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(124) / 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(68) / 评论(0) 分类 健康与经济
学英语单词
1-hexyne
air-filled porosity
allowable-bearing-unit stress
analog integrator
armanoush
associated pair
average life expectancy
balaenoptera acutorostratas
be open to traffic
bluebonnets
body bag
booleanized
boom topping angle
captain's table
card puch reproduce check unit
carlsbergite
caufield
cloud map
congo peafowls
Conocephalus conica
control footing group
crack gauge
cross beam on stringer
cum calce soda
Dantzig-Wolfe algorithm
disk plough body
drill hole
duplex iron
ear-grass
earthing rod
emporio
encrpytion tachniques
estremadura
Eun.
exhaustion expenditure
explosion detector
family Pythonidae
feathergrass
Geranium maculatum
given up the ghost
grandkid
Hampden Sydney
Hampden, Walter
heterostyly
hog industry
houses of worship
immoralism
income gained within or outside China
input circuit
input-output control unit
kimchi jigae
lanuginosum
laser-beam deflection
lattice like structure
Livistona boninensis
lotterish
make something
manaconda
Mascheroni's constant
metahistory
microconglomerate
mokere
new share off
nonascitic
nonsupervisory workers
on the fizzer
order relation
Ostrów Wielkopolski
Padmaja
pakhawaj
pandemonium
para-autochthonous
partial structural perturbation
Petit porcelain
polyglutamation
polystichum alcicorne (bak.)diels
pratt's theory of isostasy
Pretoria North
prolific of
pronounist
puerperal mania
put to death
rangeomorph
reverse osmosis membrane
rusked
scheelite ore
sq
Stefan law
sulfur tetrafluoride
superhero
systorectostomy
take someone at their word
the dice
tooth migration
torus fracture
twist boundaries
unorgasmic
vangeliss
variety resources
varying height nozzle
wanruly
where one lives