细胞介导免疫缺乏

Sneezing, coughing, and sniffing. Welcome to winter and the common cold virus, a cure for which has eluded for years. But now a major breakthrough by scientists in Cambridge University brings that cure a step closer, as they've discovered a new way t

发表于:2018-12-11 / 阅读(104) / 评论(0) 分类 万花筒2010年

[00:06.79]Jane works at the Center for Disease Control and prevention [00:12.12]as a disease detective. [00:15.46]Listen to the tape and answer the questions. [00:19.91]The Diseases detective. [00:23.46]Jane is one of the experts at the Center for Di

发表于:2018-12-13 / 阅读(253) / 评论(0) 分类 人教全日制普通高中英语(必修)高二

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(132) / 评论(0) 分类 Scientific American(十二)月

By Lisa Schlein The UN Children's Fund, UNICEF, says Iodine Deficiency Disorders, which cause mental retardation, are a huge problem in Europe and Central Asia. UNICEF says this disorder can be solved

发表于:2019-01-03 / 阅读(134) / 评论(0) 分类 VOA2004(下)--健康科技

In Vitro - experiments which are carried out in a laboratory as distinct from in vivo experiments In Vivo -experiments which are carried out in live animals as distinct from in vitro experiments Immun

发表于:2019-01-03 / 阅读(134) / 评论(0) 分类 医务英语

发表于:2019-01-03 / 阅读(130) / 评论(0) 分类 医务英语

Democratic presidential hopeful Barack Obama cancelled a planned appearance in North Carolina today when his plane had mechanical problems. But speaking in St. Louis where the plane landed, he outlined proposals for revitalizing the sagging US econo

发表于:2019-01-08 / 阅读(114) / 评论(0) 分类 2008年NPR美国国家公共电台七月

VOICE ONE: This is Faith Lapidus. VOICE TWO: Cole Porter And this is Steve Ember with People in America in VOA Special English. Today we bring you the second part of our program about American songwriter Cole Porter. Porter wrote his songs from the

发表于:2019-01-11 / 阅读(195) / 评论(0) 分类 VOA慢速英语2008年(二)月

US Scientists Expand Scope of HIV Vaccine Study The worlds largest ongoing HIV vaccine study has been expanded to consider multiple ways a vaccine might boost immune response to the AIDS virus. The U.S. Institute of Allergy and Infectious Diseases (N

发表于:2019-01-14 / 阅读(146) / 评论(0) 分类 VOA标准英语2011年(八月)

By Kari Barber Dakar 06 July 2007 After years of turmoil and economic hardship, the small West African nation of Guinea Bissau is facing a health challenge caused by the absence of iodine in the nation's diet. In countries where iodine is not already

发表于:2019-01-16 / 阅读(180) / 评论(0) 分类 2007年VOA标准英语(七月)

From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im June Simms. And Im Christopher Cruise. Today, we examine recent findings about how intelligence develops in babies. We look at when and how babies learn, and the importance

发表于:2019-01-24 / 阅读(124) / 评论(0) 分类 英语语言学习

Australian researchers have identified a new condition characterized by extreme laziness: motivational deficiency disorder (MoDeD). MoDeD is far different from being a couch potato when you get home from work or sleeping in late on a Sunday morning.

发表于:2019-01-26 / 阅读(158) / 评论(0) 分类 阅读空间

当你给自己设定了一个目标之后,你是踌躇满志还是心存怀疑?当你没有如愿实现自己的目标时,你是不是就此降低对自己的期望?这篇短文将告诉你:矢志不移地追求你的目标,不妄自菲薄

发表于:2019-01-28 / 阅读(115) / 评论(0) 分类 实用英语

23 患爱滋病的母亲不宜母乳喂养婴儿 DATE=3-19-01 TITLE=DEVELOPMENT REPORT - Breastfeeding and AIDS BYLINE=Jill Moss (Start at 1'00

发表于:2019-01-30 / 阅读(138) / 评论(0) 分类 科技之光

LOS ANGELES, March 3 (Xinhua) -- More and more American adults are suffering from a decline in overall sleep duration(持续时间), the U.S. Centers for Disease Control and Prevention (CDC) (疾病防治中心) said on Thursday. It's recommended tha

发表于:2019-02-01 / 阅读(134) / 评论(0) 分类 英语新闻

让你增加工作活力的5个方法 1. Engage in a quick conversation with a high-energy colleague. Their positive energy may refresh you. (Just be careful not to drag them down!) 与精力充沛的同事进行短暂的交谈。他们积极的干劲会

发表于:2019-02-05 / 阅读(127) / 评论(0) 分类 实用英语

【生词预览】 detect查明、测出,mental智力的,deficiency缺陷、不足,confess承认 【笑话原文】 Dont Know Much about History Would you mind telling me, Doctor, Bob asked, how you detect a mental deficiency in somebody who ap

发表于:2019-02-15 / 阅读(139) / 评论(0) 分类 英语笑话(MP3+文本)

[00:13.73]Mental deficiency [00:16.10]智力缺陷 [00:19.02]Would you mind telling me, Doctor, [00:22.09]Bob asked... [00:23.67]how you detect a mental deficiency in somebody [00:28.05]who appears completely normal? [00:31.34]Nothing is easier, he r

发表于:2019-02-22 / 阅读(124) / 评论(0) 分类 英语笑话(MP3+文本)

Science and technology 科学技术 Flu vaccines and synthetic biology 流感病毒与合成生物学 Going viral 向病毒行进 A speedy way to make a vaccine 快速制造疫苗的方法 IF A new and deadly strain of influenza were to arise, puttin

发表于:2019-02-24 / 阅读(157) / 评论(0) 分类 经济学人科技系列

D deadlock,declaration,deficiency,deflection,degradation,delegation,delivery, democracy,demonstration, departure,dependence,deposition,depression,deputy,derivation,destination, destiny,destruction, de

发表于:2019-03-11 / 阅读(264) / 评论(0) 分类 考研英语
学英语单词
air accumulater
ALICE
analyzer
anectasis
angosturas
awning decker
Bacillariaceae
battery-charging switch
bond-angles
burning house
carbonas
casing cemented
chargesheeting
Chavuma
chordae posterius iter
commodity grain
compatriotism
composition rule
costs draftsman
debt assumption
dems (differential electrochemical mass spectroscopy)
dished up
distance of one complete turnround of locomotive
ear-snapping unit
equalizing piston spring
essential blepharospasm
exert oneself to the uttermost
favela
file maintenance machine
form-grinding
fourveye
ground-water deposit
haemotachometers
Hamilton Point
Hanko
heat exchange in soil
hollow pith
Igor Tamm
immarginatus
impatiens balsa mina l.
implied odds
intermuscular fat
intrameal
izzards
jerkest
kit processor
Knight effect
langmuir's absorption isotherm
large-hatch cover
laspi
lead press
lease line
limited scanning
ling yan kimono silk
Lughnasadh
marianisma
maximum operating pressure differential
mizmazes
motor control cubicle
multi-function leather belt transporter
NAS accelerator
no-knock
overall consumer price index
Paraclinus
pemell
permethylated
post-registration
presynaptic fibers
probability parameter
readiness is all
red wind wheel
row up
royal stremmas
seat radio
senegalensis
sens-
septicization
sequence register
signal failure
slave ram
software name register
Soyanggang
spectrum-line stabilizer
split-second column wheel
stack time
standard gradient
state control register
stedy
structure declaration
submarine coaxial cable
supratrabecula
syracosphaera pirus
Tardokrein
teaching programme
Teladorsagia
The early bird catches the worm
thickened pulp
threading lathe
trioza (megatrioza) neolitsae
vision frequency
Wb.
yellow peach grub