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(109) / 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(108) / 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(98) / 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(103) / 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(100) / 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(145) / 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(162) / 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(134) / 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(160) / 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(130) / 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(139) / 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(102) / 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(163) / 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(97) / 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(305) / 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(133) / 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(109) / 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(110) / 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(130) / 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(109) / 评论(0) 分类 英闻天下
学英语单词
Adamist
advoke
aging resistance
almays
argon glow lanp
arsenillo
auroral light
avigation
Barraquer's disease
black ship
bomb-crater
bond store
breakdance
bridgwater b.
cacalia farfaraefolia s.et z. senecio farfareaefolius maxim
calcareous lithosol
cliftonia monophyllas
closed vortex line
computeraided engineering
condye
contemptuous damages
cowles furnace
Craniopagy
crop agronomy
culture method of water flea
cycloisomerization
detestably
dicranota (amalopina) fumicostata
donato
dragonship
eating-related
electric boring machine
enhanced network
evacuation of vacuum tube
field capacity of machines
filter press mud
for official use only
fractionating tray
friction-screw press
front crown to crossing point
genus lecanoras
gussying up
harzard index
hot-water filter
in droves
infundibulated
inscribest
Jagannath
Jarrick
K-complexes
kompong
laser transformation hardening
letter shift signal
library prelude
Lima Stock Exchange
local property
look like shit
magneto coupling
main line of sight
monstriparity
no reduction
non-competitive
nosegay
octopic
oldish
pan-molecule
procedural type
proportion in a general average
proportional (elastic) limit
psychomotor agitation
rancid order
re-trained
relay cupboard
replacement mutant
response spectrum envelope
root formation
rough coat
sclerotherapy
seed press wheel
shtetl
silvol
Simple Stock Future
sinistrocularity
Sonerila laeta
speaker system
stand into land
surface explosion
suscitates
tape controller
temperature recovery
Tetrodon
thophile
twon
uv reactivation(wiegle 1953)
vapocauterization
velotaxi
verbalisers
vulvar dystrophy
Wallsend
witchlikest
work-day