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(168) / 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(188) / 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(181) / 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(155) / 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(226) / 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(188) / 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(216) / 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(193) / 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(202) / 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(210) / 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(224) / 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(164) / 评论(0) 分类 英闻天下
学英语单词
advocatrix
aeroclimatology
agglutinative language
amber seeds
ampullas
argents
asian-australian monsoon system
barbaloin
chemical abstract (ca)
Command port.
corporate group
cost of disposal
creatine kinases
Darlot, L.
despere
diplomatic mail
eight-seat
Eisenandradit
Elmer Fudd syndrome
Excelsior cotton
faciles
Far East Shipping Conference Company
financial committee
fluid form
fluidized-bed iron making
full power condition
Galeopsis
gauge orifice
general clerical test
geocryological
greater maximum penalty
Haigh fatigue-testing machine
heterophagocytosis
hunk artist
illegal logging
immunohematopoietic
interposest
ion energy selector
kias
Kumola
l'une
lateral incaving
least interval
ledez
lifter slide
liquid electrolytic capacitor
llmas
Macquarie I.
macrorecursion
millitsmol
minimal automaton
missile range safety system
money worship
morpholine soap
multiple-aspect indexing
non-automatic system
non-dutiable
non-motor carriageway
OneWeb
operarius
operate memory
park oneself
Pilea sinofasciata
potassium deficiency
prestressed concrete pavement
proceratium itoi
quotidianly
radiation burst
radioactive contamination meter
rakowski
relational storage
renewal pruning
retrograde phenomenon
rikisha
rockweeds
rosettanet implementation framework
scientometrists
semiclosed-type impeller
Sinendé
Snaefellsjökull
socioeconomist
st. davids
state of psychical defect
stiflers
swealer
target signal
tearing strain
tellurometer
terbium compound
the northern hemisphere
three-month-olds
thymolsulfonephthalein
tighten sth up
time off from work
tops-to-toe
trickle impregnating
unconcordance
ungnede
western red cedars
work-rule action
World Factory Instrumentation Protocol