心房抑制型起搏器

SCIENCE IN THE NEWS - Major Progress in Health Through Technology From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Bob Doughty. And Im Faith Lapidus. Today, we tell about a woman who can use signals from her brain to move

发表于:2018-12-16 / 阅读(61) / 评论(0) 分类 2013年VOA慢速英语(一)月

Alzheimer's disease or AD is an illness that seriously affects senior citizens. It causes memory loss, and patients may even gradually lose some of their basic physical abilities. But now researchers in the U.S. are using technology to reduce memory

发表于:2018-12-19 / 阅读(54) / 评论(0) 分类 英闻天下

Pacemakers are expensive. Though some pacemaker manufacturers have dropped the price down to $800 in poorer countries, thats still out of reach for many. One to two million people die each year because they dont have access to this life-saving techno

发表于:2018-12-24 / 阅读(57) / 评论(0) 分类 Scientific American(十)月

(man) Today we're going to talk about shyness and discuss recent research on ways to help children learn to interact socially. Many people consider themselves shy. In fact, forty percent of people who took part in our survey said they were shy --- t

发表于:2018-12-30 / 阅读(55) / 评论(0) 分类 托福听力短文

Atrial fibrillation is a cardiac arrhythmia that often produces very disruptive palpitations, fatigue, and even shortness of breath. Worse, atrial fibrillation can substantially increase your risk of stroke. If you have atrial fibrillation there is l

发表于:2019-01-03 / 阅读(57) / 评论(0) 分类 实用英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. The Patriot Act and the Bioterrorism Preparedness Act were passed in 2001 and 2002. These laws in part cover research on pathogens and toxins thought to

发表于:2019-01-08 / 阅读(95) / 评论(0) 分类 Scientific American(五)月

1. NASA will have to try again tomorrow. Bad weather forced Mission Control to call off today's scheduled launch of Discovery at the last minute. NASA will try again tomorrow but bad weather is still

发表于:2019-01-08 / 阅读(121) / 评论(0) 分类 美联社新闻一分钟2006

This is the VOA Special English Health Report. A pacemaker is a small device that doctors place in people with an abnormal heartbeat. If a heart beats too slowly, the pacemaker will use electrical signals to help set a normal rate. Some devices inclu

发表于:2019-01-11 / 阅读(83) / 评论(0) 分类 2010年VOA慢速英语(六)月

Major Progress in Health Through Technology From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Bob Doughty. And Im Faith Lapidus. Today, we tell about a woman who can use signals from her brain to move a robotic arm. We tel

发表于:2019-01-12 / 阅读(113) / 评论(0) 分类 2013年VOA慢速英语(五)月

Dr. David Wilber performs a procedure called catheter ablation to treat patients with atrial fibrillation at Loyola University Medical Center in Illinois A relatively new procedure is proving to be more effective in treating patients with irregular h

发表于:2019-01-13 / 阅读(74) / 评论(0) 分类 VOA标准英语2010年(二月)

Sustained Irregular Heartbeat Raises Mortality Risk for Middle Aged Women Many doctors see atrial fibrillation (AF), an abnormal heart rhythm, in their elderly patients. But a new study indicates that a surprising number of middle aged women, who are

发表于:2019-01-14 / 阅读(83) / 评论(0) 分类 VOA标准英语2011年(六月)

From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Bob Doughty. And Im Faith Lapidus. Today, we tell about a woman who can use signals from her brain to move a robotic arm. We tell about efforts to develop an experimental g

发表于:2019-01-24 / 阅读(45) / 评论(0) 分类 英语语言学习

This is the VOA Special English Health Report. A condition called atrial fibrillation produces an abnormal heartbeat. People feel their heart race and they lose their breath. It may last a few seconds, but it can get worse and worse with age, leading

发表于:2019-01-31 / 阅读(111) / 评论(0) 分类 2010年慢速英语(二)月

First things first 首先 I'ma say all the words inside my head 我想将我脑海中的想法都一一吐露 I'm fired up and tired of the way things have been, oh 我受够了过去那些一成不变反反复复 The way that things have been, oh 那些

发表于:2019-02-01 / 阅读(56) / 评论(0) 分类 听歌学英语

From rubbery scrambled eggs to lukewarm mashed potato, airplane meals can be dire. 从炒鸡蛋到微温的土豆泥,飞机餐真是难吃得丧病。 Now scientists think they know why food tastes so strange in the air its down to sound. 科学家们

发表于:2019-02-06 / 阅读(259) / 评论(0) 分类 阅读空间

Besides the fact that you'd literally die without it, there are many, MANY imperative reasons to drink water frequently, every single day. It starts out pretty mild - you might feel thirsty and have a dry mouth. But the long-term effects of not drink

发表于:2019-02-08 / 阅读(79) / 评论(0) 分类 阅读空间

Finance and economics: The economics of generosity The kindness of neighbours 财经:慷慨经济学 邻居的善意 A new paper asks why some Tanzanian farmers are more selfish than others. 一份新的报纸说为何一些坦桑尼亚农民比其他

发表于:2019-02-17 / 阅读(55) / 评论(0) 分类 经济学人财经系列

保持一个姿势久了,身体就会有发麻的感觉。当你改变姿势的时候,会感到非常的难受:刺痛、痉挛,然后是慢慢恢复知觉。这种发麻的滋味还真不好受。那么,为什么我们的身体会发麻呢?

发表于:2019-02-18 / 阅读(58) / 评论(0) 分类 阅读空间

So my idea was born,and I had the project set up and a hypothesis, 这就是我的想法诞生的过程,然后,我就有了项目的开展和假说, so what was my next step? 那么我的下一步呢? Well obviously I had to find a lab to wor

发表于:2019-02-21 / 阅读(51) / 评论(0) 分类 TED演讲教育篇

Alzheimer's disease or AD is an illness that seriously affects senior citizens. It causes memory loss, and patients may even gradually lose some of their basic physical abilities. But now researchers in the U.S. are using technology to reduce memory

发表于:2019-02-21 / 阅读(58) / 评论(0) 分类 英闻天下
学英语单词
antitapeworm drugs
artificial reforestation
associate officer
Belyy
benzoic aldehyde
binary incremental representation
blum-kiefer-rosen-blatt independence test
Boboras
button fly
center-spot wander
children's playroom
chromate protective film
clearcutting
colpomenia sinuosa
comprehensive schools
contaimination
container delivery
cryofreezing
dc plasma torch
dental tubercle
digitale
dispersing gas
Dressler's disease
dusk side
dust plan
earthlubber
enteroeleaner
epilachna chinensis
equilibrium poisoning
extension indicator
fowl diphtheria virus
friendship cuddle
Geissler potash bulb
genus choloepuss
genus Colutea
gingerbread tree
heptahedra
heterodiegetic
hfx
instrument
irradiation depth
knocking you out
kobaltkies (linnaeite)
kodalith
landa
logatom articulation
ltus
lumberingly
material purchased report
MENGEIDAE
minority carriers
Monas prodigiosus
mulched
Mutongo
naboom
naval air test center (natc)
never-never-land
nostel
octas
ocular cup
orthokinetics
p-n-p junction transistor
Phacidiales
phenisonone
philatelic esthetics
poonaners
precast concrete block flue
pro-bible
quantum counter
Quercus multinervis
red-book
relative peltier coefficient
retuseness
rfsc
rome beauties
Rothera's test
ruptor ovi
Sacrose
saltest
Santiago del Estero
scrimpings
sleeveens
soft phase
spinnakers
steerage passengers' quarters
subpuzzle
sulfanilamidohydantoin
switching costs
Sybils
test control points or pins
theoretical understanding
three-variance system
time shifting
tower footing resistance
toxic fume
trash cover
tree network topology
unjinxed
Uto-hantō
valve unit control
varactor-tuned oscillator
wrens