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(141) / 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(152) / 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(141) / 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(140) / 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(194) / 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(165) / 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(186) / 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(165) / 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(171) / 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(155) / 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(203) / 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(138) / 评论(0) 分类 英闻天下
学英语单词
acetylbutyrylcellulose
addi.
advanced reading
aeronautical cell
afforciament
air-hoist
aldicarb
antecedent of an implication
appeasement policy
autocombustion system
automatic circuit-recloser
avrainvillea riukiuensis
barrys
belly rings
boutonniere deformity
cage junction platform
camponotuss
cerene
chistyakova
Chochenyo
coccus
colavito
corneal dystrophy and degeneration
CROMOCI
cutting drawing
dead front panel
dead-burned dolomite
dealing out
derilict
dip into one's purse
direct arc melting method
dot frequency
earthed-grid amplifier
ecchynosis
evacuateth
exon-introns
face of joint
frees up
front-wheel drive car
Ganges Worm
gloves for massage
grained rocks
haversine shock pulse
hypertalks
ice-contact terrace
Internet age
iron cringle
island area
J scan
jarden
JRMI
lardine
Leukocytozoon pallidum
level loading
lorusin
lymphangiogrophy
masker
mecamylamine
membrum virile
monitor select
mus rose
neighborhood grammar
nhr
nonsense syndrome
omitting types theorem
periarthritis of shoulder joint
Pigopolis
plunger-type cylinder
potcherman
ptilonorhynchidaes
raful
reclosed
recurring events
regeneration of nuclear fuel
relative variance
rocking chair
Saxifraga dielsiana
secuers
self-resetting
semi-fine screw
separating machine
siliconmanganese alloy
single-reed woodwinds
stabilize the market
standard compilation
static linking
stirrup-pump
strocals
suscipient
target-card
tasting wine-glass
tectate-imperforate
Terbuprol
tetrotus
Thame, River
thoracic actinomycoses
trapezihedron
unstony
Wairāgarh
well-form
Zawiercie
zinc butter