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Sickle cell disease is a blood disorder due to a single genetic mutation. It remains in populations because the mutation has a flip sideit helps to protect against malaria. Now another mutation has been shown to afford similar protection. Deficiency

发表于:2018-12-24 / 阅读(185) / 评论(0) 分类 Scientific American(十二)月

World Hemophilia Day (WHD) started in 1989 as a way to raise awareness of the disorder and to bring attention to the needs of those who suffer from it. The reason its on April 17 is because thats the birthday of the World Foundation for Hemophilia (W

发表于:2018-12-29 / 阅读(173) / 评论(0) 分类 世界节假日博览

World Hemophilia Day (WHD) started in 1989 as a way to raise awareness of the disorder and to bring attention to the needs of those who suffer from it. The reason its on April 17 is because thats the birthday of the World Foundation for Hemophilia (W

发表于:2018-12-29 / 阅读(156) / 评论(0) 分类 英语课程学习计划和讲义

今天我们要学的词是time zone. Time zone时区。North Korea readjusted its time zone to match South Korea's last Saturday. 朝鲜上星期六调整时区,开始跟韩国的时区保持一致。The Koreas used the same time zone for decades

发表于:2018-12-30 / 阅读(124) / 评论(0) 分类 英语单词荟萃

Why Does Altitude Cause Headache? Mountain climbers face many dangers as they brave the cold winds and icy slopes and jagged cliffs of the peaks they climb. But one of the most serious dangers they face is all in their headsliterally. Why does altitu

发表于:2018-12-31 / 阅读(147) / 评论(0) 分类 英语听力文摘 English Digest

fart vi. 放屁 intestinal adj. 肠的 digestive adj. 消化的 obsessive-compulsive 强迫观念与行为的 squeeze v. 挤压 mosquito n. 蚊子 If you hold in a fart, where does it go? 憋住的屁去哪儿了? According to Baidu, it exits out t

发表于:2019-01-10 / 阅读(132) / 评论(0) 分类 早安英文

SCIENCE IN THE NEWS - Discovery That Stored Blood Loses a Life-Saving Gas Could Solve Mystery By Lawan Davis, Soo Jee Han and Caty Weaver / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm S

发表于:2019-01-11 / 阅读(246) / 评论(0) 分类 VOA慢速英语2007年(十一)月

CHRISTOPHER CRUISE: This is SCIENCE IN THE NEWS in VOA Special English. Im Christopher Cruise. FAITH LAPIDUS: And Im Faith Lapidus. Today, we will tell about an effort to learn what happened to American pilot Amelia Earhart. We will tell about a grou

发表于:2019-01-11 / 阅读(278) / 评论(0) 分类 2011年VOA慢速英语(一)月

AS IT IS 2014-08-25 Scientists Developing Blood Test for PTSD Post-Traumatic Stress Disorder or PTSD is caused by a frightening event, either witnessed or experienced. Signs of the disorder may include depression, bad dreams and severe nervousness. T

发表于:2019-01-12 / 阅读(181) / 评论(0) 分类 2014年VOA慢速英语(八)月

C-PAP Could Help Heart Patients Anyone whose husband, wife or partner who snores loudly is probably wishing for a separate bedroom. It's the telltale sign of obstructive sleep apnea, a chronic disorder in which the person experiences shallow breathin

发表于:2019-01-13 / 阅读(207) / 评论(0) 分类 VOA标准英语2012年(六月)

Sickle Cell Disease Cases Are Increasing Basic health interventions may significantly reduce deaths among young children with sickle cell anemia. The illness causes the body to produce sickle or disc shaped red blood cells making it difficult for the

发表于:2019-01-14 / 阅读(163) / 评论(0) 分类 VOA标准英语2013年(七月)

It seems like from the time we are very young women are affected in some way by the monthly cycle. For young girls it is through our older sisters, cousins, aunts, and female relatives where we see the effects of menstruation, in how they change thei

发表于:2019-01-17 / 阅读(251) / 评论(0) 分类 实用英语

HEALTH REPORT - Blood Pressure Drugs May Prevent Dry Eye Syndrome By Jerilyn Watson Broadcast: Wednesday, April 07, 2004 This is the VOA Special English Health Report. Many people around the world suf

发表于:2019-01-19 / 阅读(229) / 评论(0) 分类 健康与经济

Topics: Movies Rocky; Famous Americans Alvin Ailey; the hand of fate; riveting, to charge headlong, oblivious, and the outside world; outgoing versus a people person Words: amateur boxer working class trainer heavyweight champion workout regimen pers

发表于:2019-01-22 / 阅读(138) / 评论(0) 分类 美语听力 English Cafe

Another Drug Crisis: Methamphetamine Use By Pregnant Women AILSA CHANG, HOST: A new study published today finds that a growing number of women in recent years have been using amphetamines like crystal meth during their pregnancy. The rates of use hav

发表于:2019-01-23 / 阅读(154) / 评论(0) 分类 2018年NPR美国国家公共电台12月

Gene for Disease Has Healthy Flip Side A study in the journal Science finds that the gene for anemia-causing G6PD deficiency also protects against malaria, thereby keeping the gene active in populations. Cynthia Graber reports Sickle cell disease is

发表于:2019-01-30 / 阅读(279) / 评论(0) 分类 60秒科学

By Carol Pearson Washington 11 October 2007 A children's hospital in Texas reports a rare condition that can threaten the lives of identical twins. The disorder has been noticed in a number of countries with advanced medical practices. A hospital spo

发表于:2019-01-31 / 阅读(161) / 评论(0) 分类 2007年VOA常速英语(十月)

The Hang Seng(香港恒生银行) China Enterprises Index on the Hong Kong Stock Exchange rose 52.69 points, or 0.45 percent, to close Monday's trading at 11,673.37. The H-shares index, initiated in August 1994 and readjusted(重新调整) on

发表于:2019-02-04 / 阅读(171) / 评论(0) 分类 英语新闻

By Chad Bouchard Jakarta 11 June 2007 An Indonesian public health foundation is waging an anti-anemia campaign in Jakarta, where some schools have reported more than half their students are anemic. As Chad Bouchard reports from Jakarta, medicine and

发表于:2019-02-05 / 阅读(243) / 评论(0) 分类 2007年VOA标准英语(六月)

By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia

发表于:2019-02-17 / 阅读(200) / 评论(0) 分类 VOA常速英语2007年(十二月)
学英语单词
acceleration-error constant
air-oil shock basorber
Akuseki-jima
Alum Bay
angle of tailsetting
atlanta peroni
balastro
be through with sb
Beragh
blew something up
blumbering
body-mounted type solar array
Bogopol'
bursting height
caan
caprytchyous
captresses
cash income
cerosin
characterization of best approximation
cobalt(ii) fluoride
commeasured
commutation test
conveyer drive
cryptoviruses
depramine
discharger
distress and safety communications
ethyl acetopyruvate
Fengmen (B12)
Filippo
fixed for
generator potential
goal
graded fruits
Guaninhydrochlorid
have the worst of
Heidenau
home-school councils
iconises
induced moving-magnet instrument
interrupted ringing wave
ionospheric noise
journally
junggar pendi
koor
L.Heb.
least square polynomial fit
letter-sound
line material
line-sequential colo(u)r television
lipomyces
liquefied gas carrier
livestock agriculture
Lysimachia racemiflora
megalodacylia
mensurations
Methyldichlorophenyl
minimal condition
miscellaneous charges order
misogamist
mold rollover unit
mould lifting
murches
negative mass
ochrocarpus
orteig
paintballer
palaeomicroides caeruleimaculella
palm-
parentified
photoexciton
plant cytodynamics
pneumatic to voltage converters
pollutant mix
portable scraper
position reference system
predation
private gaol
put something on points
pyroptotic
rate cap
RE number
runner shank
Saddar
saw tooth pulse
sense loop
servo and power brake
slinski
small signal parameters
sodium thiocyanate elixir
spindle trees
splodge
tetranitroglycerine
transient force
transverse temporal gyri
turn round rate
ungroggy
wayneschot
worsting
zenneck wave