三级戊脲

What about sleep? In slow-wave deep sleep, our glial cells rinse cerebral spinal fluid throughout our brains, 关于睡眠呢?在慢波深度睡眠时,我们的神经胶质细胞冲洗着我们大脑中的脑脊液, clearing away metabolic wast

发表于:2018-12-18 / 阅读(77) / 评论(0) 分类 TED演讲国际问题篇

So what happens when amyloid plaques accumulate to this tipping point? 所以当淀粉样斑块积累到临界点后会发生什么? Our microglia janitor cells become hyper-activated, releasing chemicals that cause inflammation and cellular damage

发表于:2018-12-18 / 阅读(100) / 评论(0) 分类 TED演讲国际问题篇

Even before scientists sort this out, this information is actually really good news for us, 即使科学家还尚未解决问题,这一好消息确实振奋人心, because it turns out that the way we live can influence the accumulation of amyloi

发表于:2018-12-18 / 阅读(87) / 评论(0) 分类 TED演讲国际问题篇

This is Scientific American's 60-Second Science. I am Adam Hamterture, got a minute? What's sixteen feet tall and 9,550 years old? Its the world's oldest tree. The worn and weathered spruce grows in Sweden's windswept tundra. But, until recently, wel

发表于:2018-12-24 / 阅读(90) / 评论(0) 分类 Scientific American(五)月

Pet turtles can be unsanitary. But Chinese soft-shelled turtles really up the ante on distasteful behavior. They perform a variation on urinationthrough their mouths. Most land-based vertebrates produce urine to get rid of water-soluble toxic waste,

发表于:2018-12-24 / 阅读(107) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Its like the molecular version of the Joker and the Riddler teaming up against Batman. Scientists at Yale University have discovered that amyloid beta, a

发表于:2019-01-08 / 阅读(120) / 评论(0) 分类 Scientific American(三)月

VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. Today we tell about Alzheimer's disease. One century after its discovery, the cause of the disease is still unknown. (MUSIC) VOICE ONE:

发表于:2019-01-11 / 阅读(77) / 评论(0) 分类 VOA慢速英语2007年(一)月

STEVE EMBER: Im Steve Ember. BARBARA KLEIN: And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we talk about a method that helps provide low-income people with the financial services they need to improve their lives. Organizations a

发表于:2019-01-11 / 阅读(191) / 评论(0) 分类 2010年VOA慢速英语(六)月

New research suggests a relatively simple blood test might make it possible to predict who is at a higher risk for developing dementia. The most common form of dementia is Alzheimer's Disease, and currently, it can only be definitively diagnosed in a

发表于:2019-01-14 / 阅读(110) / 评论(0) 分类 VOA标准英语2011年(一月)

Sleep. It's something we spend about a third of our lives doing, but do any of us really understand what it's all about? Two thousand years ago, Galen, one of the most prominent medical researchers of the ancient world, proposed that while we're awak

发表于:2019-01-24 / 阅读(135) / 评论(0) 分类 英语语言学习

HEALTH REPORT - New Method to Find Alzheimer's Disease By Jerilyn Watson Broadcast: Wednesday, February 04, 2004 This is the VOA Special English Health Report. A computer picture of a brain affected b

发表于:2019-01-30 / 阅读(119) / 评论(0) 分类 健康与经济

HEALTH REPORT - New Alzheimer's Drugs Tested By Cynthia Kirk Broadcast: Wednesday, August 04, 2004 This is Phoebe Zimmermann with the VOA Special English Health Report. Researchers say two experimenta

发表于:2019-01-30 / 阅读(73) / 评论(0) 分类 健康与经济

By Dan Robinson Capitol Hill 15 November 2007 The longest-serving Republican speaker of the House of Representatives gave his formal farewell to Congress on Thursday. Dennis Hastert presided over the House for nearly a decade, a period that included

发表于:2019-02-03 / 阅读(112) / 评论(0) 分类 VOA常速英语2007年(十一月)

Science and technology 科学技术 Reptilian micturition 爬行动物的排尿 That's a relief 可算是方便了 Softshell turtles urinate through their mouths 鳖类通过其嘴部小便 WHY did the turtle stick its head in a bucket? 为什么乌龟

发表于:2019-02-03 / 阅读(160) / 评论(0) 分类 经济学人科技系列

A bureaucrat was hiking when he came upon a shepherd tending a large flock. The bureaucrat took a fancy to the sheep and asked the shepherd, If I can guess how many there are, may I have one? The shepherd thought it unlikely the man would guess the e

发表于:2019-02-07 / 阅读(113) / 评论(0) 分类 趣味英语

今天我们要学的词是bureaucracy。 Bureaucracy, 官僚。美国国防部长盖茨上周末公开对军方庞大的官僚体制提出批评。 Gates took aim at what he called a bloated bureaucracy, 他还保证要亲自过问,精简军方的官

发表于:2019-02-08 / 阅读(91) / 评论(0) 分类 英语单词荟萃

Volkswagen has devised a new catalytic converter that could fix the majority of the cars in the US affected by the diesel emissions scandal, as details emerge of its attempts to satisfy regulators. 大众汽车(Volkswagen)设计出一种新的催化转

发表于:2019-02-08 / 阅读(130) / 评论(0) 分类 英语新闻

Conflict resolution marked the career of former Finnish president Martti Ahtisaari who has received this year's Nobel Peace Prize for his efforts to secure peace in various regions of the world. In this report from Washington, Senior Correspondent A

发表于:2019-02-12 / 阅读(99) / 评论(0) 分类 VOA标准英语2008年(十月)

Let's begin by looking at what we currently understand about the neuroscience of Alzheimer's. 让我们先看看目前神经学上对老年痴呆的了解。 Here's a picture of two neurons connecting. 这是一张两个神经元连接的图。 The p

发表于:2019-02-13 / 阅读(104) / 评论(0) 分类 TED演讲国际问题篇

RIO DE JANEIRO, Jan. 25 (Xinhua) -- Former Brazil international goalkeeper Dida will miss Gremio's Copa Libertadores qualifying decider against Ecuador's Liga de Quito next Wednesday with a shoulder injury. Dida hurt his right shoulder during last We

发表于:2019-02-18 / 阅读(107) / 评论(0) 分类 英语新闻
学英语单词
adjustablebed
al batinah i.
alternativism
back-channel
barthram
be on the breeze
bedlamps
blench holdings
Bomlitz
bonomi
built - in motor
C.R.M (confinement of radioactive materials)
calciphyte
came up to
captain's cabin
casting bogey
centrifugal test
cerebral agraphia
charge mass ratio
chemical passivating
chrysoerio-7-apio-glucoside
coarse wheatfeed
compilation of details with scribing
cracking down
cross rail head
dash board facing
dermo-injector
desoxysugar
disulphamide
electromagnetic leakage
emergency electric system
equivalent salt deposit density
Ethelwulf
file subsystem
Fitzroya
flagship products
flanged finish
fluid separation device
free communists
genus Chlamydomonas
glockenspiel
glue protein
Grand Cess
green adder's mouth
hexelasma velutinum
high tensile electric welding rod
hydrogen flame temperature detector
hypercoasters
iates
infomercials
isoflorane
isopentene
jimberjawed
Kallipefki
light of one's eyes
long term environmental effect
magnetic tape recording current-meter
manual ringing telephone
mariels
Megachilidae
mezzo-aortitis
millihelens
mucor adventitius
multi-meter
murderer
ninth-grade
ocean-going raft
one-of-a
parasympatholytic
pelletron
personal servitude
piers
plate mark
polayn
PRCS (primary reactor coolant system)
premillennialist
prevaccinated
quadruplex television tape recorder
review body
rotating direction method
run-in wear
self-propelled robot craft
shoot a basket
spatial symmetry group
speech data capture synthesis
subtrapezoid
supplier
teacher shortage
territorial sea rights
Thigmotrichida
tift
timber roof
toeof beam
toyota electronically modulated suspension
transmittances
underpropper
UV cell
Van buren
vortex mixers
windshield
with back to the wall
yellow-blue color blindnesses