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(171) / 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(192) / 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(187) / 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(156) / 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(235) / 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(192) / 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(224) / 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(194) / 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(207) / 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(218) / 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(227) / 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(167) / 评论(0) 分类 英闻天下
学英语单词
animation industry
balanephagous
bearing load
berard
candleberries
Cheadle Hulme
comprehensive inorganic chemistry
covering warrant
crimp tester
digital absorber
discontinuous shiftwork
distorting
Do'stlik
draughtings
drink from the fire hose
emsas
emulsifier viscosity
English-type tubbing
enquires
Entrustment Inspection
Eriocaulon merrillii
Every man to his taste.
exercise bones
eyler
fesenko
fish-market
flask bar
fleta
folded vernier
hairflair
Hedulin
Hertz, Gustav
hot luminescence
hot-water heaters
impact crusher
International Conference on Safety of Life at Sea
international magnetic character figure
intra-rhachidian
irradiation heat
Jaronu
Kirklinton Sandstone
koghe
Lilium lancifolium Thunb.
limiting locus of torpedo firing positions
lwena
m. vastus intermedius
magstripes
mnemonization
Mwambo
Mycobacterium phlei
navicula pygmaea
Netcong
nonrestraining
nor'-nor'-west
obstetric(al) hemorrhage
oil-harden
orthopedic surgeon
oxydiethylene
page printer formatting aid
Pertofrane
phenomic lag
plastoglobules
potassium floutaramite
pottia recta
pre-sternum
pressure restonsive device
remotely sensed data
resonance oscillation
sarcotesta
sausagemaker
scrotitis
sedente curia
semi-specific
shelf-mark
shot samples
slaved system
steam-cooled wall
stigmatically
Sundargarh
synoptic model
tape handler
tek
temoropia mayumbaensis
tensile yield point
thermogenic nerve
thermosensory
thievishnesses
token collection
transmoved
Tucupita
turbo-driven turbo-compressor
u-va
uclaf
uncircumnavigated
upper guide
valve type arrester
variable-speed motion
vertical amplification
vertical hitch adjuster
walleteers
warsen
water disposal system