心房起搏器

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(106) / 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(104) / 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(92) / 评论(0) 分类 Scientific American(十)月

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(95) / 评论(0) 分类 实用英语

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(157) / 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(127) / 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(154) / 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(125) / 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(129) / 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(88) / 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(156) / 评论(0) 分类 2010年慢速英语(二)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:2019-02-21 / 阅读(104) / 评论(0) 分类 英闻天下
学英语单词
a gut feeling
acoustical scintillation
additional cannon pinion
antibody fusion protein
B.V.D.
Barnum effect
bCentral
Bradninch
bronchoesophageal
BRU (branch unconditionally)
calibration equipment of reversing thermometer
callicarpa japonica luxurians
carrier transport
chrematophobia
chronotypes
close the subscription lists
condenser constant
constant-pressure delivery valve
crossed dispersion of interference colours
crystallizing power
diffused silicon semiconductor force meter
digestive medicine
distributed intelligence system
dual duct air-conditioning system
Dunaujvaros
dynamic metrology
ectotympanic
eicosendioic acid
encapsulation
endophyte
engineer's approval
F. C. R.
filling of energy levels
fire-grate
gauge repeatability
generalpurpose
getting it on
head erysipelas
Hien Luong, Song
higher center cradle
hookean elastic solid
ilex cornuta Lindl.
ion exchange resins
iron-bind
Japanese avens
Kimchon
lenite
Lepisosteus
load density
Lubartów
luty
mast room
methyl-beta-phenylacrylate
mnemonic symbols
multiple terminals
non-relevant indication
oblate spheriod
oblique ionogram
overgrowing
path-down
perenninal hay-fever
permanent magnet motor
picometre
Poppleton
port inspector
pre-notifications
preliminary washing drum
progressive interstitial fibrosis of lung
PWHT(post-weld heat treatment)
pyrodiversity
recharted
red jasmine
repudiation of treaty
rotapulper
Salmonella enteritidis bacteriophage
saying
schuche
semiadoption
semisecretive
shaving brush
skin stimuli
spheric grating
static load of freight cars
steering gear room
Streptomyces beddardii
subsidary fault
Suebian knot
system decomposition
the improvement
therevid
thiocyano-propylphenylether
tinged cotton
tok
top-ropes
trapezed
tunstall
twained
unbalanced load
uspstf
warys
x-y-z coordinate system