时间:2018-12-15 作者:英语课 分类:2010年VOA慢速英语(六)月


英语课

This is the VOA Special English Health Report.


Chronic 1 obstructive pulmonary disease, or COPD, is a life-threatening condition commonly caused by years of smoking. Doctors say that over time the damage interferes 2 with the natural exchange of oxygen and carbon dioxide in the lungs.


COPD is not curable but treatment can extend a patient's life. Doctors often treat it with steroids. Now, a study shows that low doses of the medicine given by mouth are equal to, or better than, a heavy dose administered into the blood.


Researchers studied patients treated at four hundred hospitals in two thousand six and two thousand seven. The patients received steroids either intravenously or by mouth.


The study found that those who received lower doses of steroids by mouth spent less time in the hospital. Also, their risk of side effects such as glaucoma, high blood pressure and edema, or swelling 3 in the legs, was reduced.


Peter Lindenauer from Tufts University School of Medicine in Boston, Massachusetts, led the study. The findings are in the Journal of the American Medical Association.


The World Health Organization estimates that more than two hundred million people have been found to have COPD. Most live in low and middle income countries.



Years of smoking, or breathing other people's smoke, is the most common cause of COPD


COPD blocks airflow in the lungs. Patients have to think about their breathing. They also have to exercise. And they have to learn to calm themselves, especially when they are short of breath.


SOUND: "Big deep breaths in through your nose and out through your mouth."


Chronic obstructive pulmonary disease includes emphysema and chronic bronchitis, as well as asthmatic bronchitis. One sign of it is a wheezing 4 sound when the person breathes. Another symptom is a cough that produces yellow mucus and does not go away.


Miners and chemical workers are at risk of COPD from breathing dust and harmful chemicals. But the most common cause is long-term smoking or years of breathing other people's smoke.


Francis Welch is a retired 5 dentist, former smoker 6 and now a COPD patient.


FRANCIS WELCH: "I have to think about breathing sixty minutes of every hour. It's a heck of a nuisance."


He stopped smoking more than ten years ago. He also persuaded his son to stop.


FRANCIS WELCH: "Until he saw me walking around with a can of liquid oxygen. That got his attention. He finally did smoke, quit smoking, thank God."


And that's the VOA Special English Health Report, with reporting by Melinda Smith. Transcripts 7, MP3s and archives of our reports are at voaspecialenglish.com. I'm Steve Ember.


 

 



1 chronic
adj.(疾病)长期未愈的,慢性的;极坏的
  • Famine differs from chronic malnutrition.饥荒不同于慢性营养不良。
  • Chronic poisoning may lead to death from inanition.慢性中毒也可能由虚弱导致死亡。
2 interferes
vi. 妨碍,冲突,干涉
  • The noise interferes with my work. 这噪音妨碍我的工作。
  • That interferes with my plan. 那干扰了我的计划。
3 swelling
n.肿胀
  • Use ice to reduce the swelling. 用冰敷消肿。
  • There is a marked swelling of the lymph nodes. 淋巴结处有明显的肿块。
4 wheezing
v.喘息,发出呼哧呼哧的喘息声( wheeze的现在分词 );哮鸣
  • He was coughing and wheezing all night. 他整夜又咳嗽又喘。
  • A barrel-organ was wheezing out an old tune. 一架手摇风琴正在呼哧呼哧地奏着一首古老的曲子。 来自《现代汉英综合大词典》
5 retired
adj.隐退的,退休的,退役的
  • The old man retired to the country for rest.这位老人下乡休息去了。
  • Many retired people take up gardening as a hobby.许多退休的人都以从事园艺为嗜好。
6 smoker
n.吸烟者,吸烟车厢,吸烟室
  • His wife dislikes him to be a smoker.他妻子不喜欢他当烟民。
  • He is a moderate smoker.他是一个有节制的烟民。
7 transcripts
n.抄本( transcript的名词复数 );转写本;文字本;副本
  • Like mRNA, both tRNA and rRNA are transcripts of chromosomal DNA. tRNA及rRNA同mRNA一样,都是染色体DNA的转录产物。 来自辞典例句
  • You can't take the transfer students'exam without your transcripts. 没有成绩证明书,你就不能参加转学考试。 来自辞典例句
学英语单词
a streaker
a.m.
adenanthrea microsperma l.
AGA,A.G.A.
air cleaner
annual ring density
Bayerbach bei Ergoldsbach
Bence-Jones protein
blacklers
cagewashes
cartographic design
cerebral irritation
chief executives
ciprofibrate
clutter rejection
coherent brittle stage
commutator-controlled weld
cryogenic technology
digital to image conversion
discipleships
double faced hammer
dress
drewe
Dunnet
eeps
efficiency factor
enthalpy of swelling
equatorial system
exterior varnish
exult over
farigue
Fat Analysis Committee colour
flat billet
get his
Gojra
graynet
Guaranteed Death Benefit
half-binding
hexaquarks
high-sulphur fuel
improvement by lessee
injector feed
interaction volume
intoxilyzer
IP fragmentation IP
key variable
korahl
leakage spectrum
lenslets
linolenate
logolepsy
long - term care
loop termination
lql
lutnick
malgwyn
material for test
Medveditskiy
Metroval
mintels
miscellaneous asbestos product
Neolitsea pinninervis
newbattles
non-dividend payee
operational technical manual
penetration of grease
pole setting
pretell
primary mother-tree selection
production strategies
psauoscopy
Qarshi
random noise level
reference oscillator muting
reservoir sensitivity evaluation
reversible code
roller-ball
runners
salty milk
scarifie
see sth with half an eye
sentenceable
shilt
Shimabara-hantō
simple radical
special transfer paper
steinhausers
sulphur cement mortar anchor
superefficiency
temperature classification
thelephoid
theory of growth
thermal processes
thrash over
tooth abscess
USB stick
velascas
vermilions
voltaic irritability
wad hamid
with expedition
zygoplast