群体免疫

This is the VOA Special English Health Report. A recent study in Tanzania found that when pregnant women took vitamins every day, fewer babies were born too small. Babies that weigh less than two and one-half kilograms at birth have a greater risk o

发表于:2018-12-07 / 阅读(83) / 评论(0) 分类 VOA慢速英语2007年(五)月

Italian Prime Minister Silvio Berlusconi's government has proposed legislation that would give immunity to the country's top officials while they are in office. The opposition says the bill, which would still need to be approved by parliament, is ai

发表于:2018-12-16 / 阅读(87) / 评论(0) 分类 VOA标准英语2008年(六月)

Dieting isnt always easy, particularly if you have a sweet tooth. But by adding strawberries to your diet, you can enjoy a range of guilt-free dishes, drinks and snacks any time of day. Best of all, strawberries are low in calories, high in fiber, fa

发表于:2019-01-08 / 阅读(113) / 评论(0) 分类 阅读空间

Libya's Former Rebels Pose Challenge A year and a half ago, electrical engineer Omran Al-Awayeb took up arms to defend his neighborhood against Gadhafi forces. Now he commands a part-time band of rebels who are still worried about their country's fut

发表于:2019-01-13 / 阅读(108) / 评论(0) 分类 VOA标准英语2012年(七月)

Lawyers Request Diplomatic Immunity for Strauss-Kahn Bronx Supreme Court Judge Douglas McKeon heard arguments Wednesday by Strauss-Kahn lawyers that he is entitled to immunity by virtue of his former position, as well as international custom and law.

发表于:2019-01-13 / 阅读(114) / 评论(0) 分类 VOA标准英语2012年(三月)

A new study suggests vaccinating children against disease first could help protect the surrounding community. Related Links Full Article Scientists have long believed that immunizing some members of a community against a disease would protect the ent

发表于:2019-01-13 / 阅读(103) / 评论(0) 分类 VOA标准英语2010年(三月)

Research Group Has High Hopes for New TB Vaccine Physicians have long known that the so-called BCG vaccine for tuberculosis does not provide the same level of protection against the disease in all parts of the world. Some also say the vaccine's effec

发表于:2019-01-13 / 阅读(125) / 评论(0) 分类 VOA标准英语2011年(九月)

Maliki: Immunity Key Issue in US Withdrawal Iraqi Prime Minister Nouri al-Maliki says his country's refusal to grant immunity from prosecution to U.S. troops led to President Barack Obama's decision to withdraw the remainder of American forces by the

发表于:2019-01-14 / 阅读(99) / 评论(0) 分类 VOA标准英语2011年(十月)

JUDY WOODRUFF: Just weeks ago, hardly anyone in the U.S. knew what the Zika virus was, much less worried about it. But the World Health Organization's warning today put the Americas, including the U.S., on new notice. And, suddenly, a mosquito-borne

发表于:2019-01-27 / 阅读(110) / 评论(0) 分类 PBS访谈健康系列

I always liked you, Mike. 迈克,我一直很欣赏你 That's why I'm gonna talk and you're gonna listen. 所以你听我说 Eli Russell. 伊莱罗素 Short answer? He was here. 简短的回答,他来过这儿 What's the long answer? 那长篇大论

发表于:2019-01-29 / 阅读(118) / 评论(0) 分类 陨落星辰第一季

1,supplementary nutrients Vitamin D was mainly rely on two channels, one is to obtain from food, and the other one is on the adoption of solar ultraviolet radiation in human skin synthesis of vitamin D3, it can even in the small intestine to pr

发表于:2019-01-31 / 阅读(174) / 评论(0) 分类 阅读空间

By Tendai Maphosa London 18 September 2007 As Zimbabwe draws closer to complete collapse under the weight of a deepening economic crisis, the International Crisis Group says a regional initiative for a negotiated political solution offers the only re

发表于:2019-01-31 / 阅读(134) / 评论(0) 分类 2007年VOA标准英语(九月)

Talk about making the most of your maternity leave. Most people wouldn't even consider packing up their home and travelling the world, let alone do so with an 10-week-old baby - which is exactly what Karen Edwards, 31, and partner Shaun Bayes, from L

发表于:2019-02-04 / 阅读(114) / 评论(0) 分类 阅读空间

A former left-wing guerrilla has taken a commanding lead in several exit polls from Uruguay's presidential election. Most polls show Senator Jose Mujica has narrowly failed to secure the 50% needed to avoid a run-off vote. If a second round is offici

发表于:2019-02-04 / 阅读(113) / 评论(0) 分类 英语新闻

Drugmakers and antibiotics 制药商和抗生素 The path of least resistance 最省事的办法 Governments reckon that drug firms' research efforts need a shot in the arm 政府认为需要鼓励药企的研发工作 A GROWING worry in medicine is

发表于:2019-02-16 / 阅读(122) / 评论(0) 分类 经济学人商业系列

4 Secrets To Never Getting Sick 从不生病的4个小秘密 Ever wonder why you always seem to come down with a life-interrupting virus this time of year, while other women you know sail through the seasons sniffle-, cough-, and ache-free? 有没有想

发表于:2019-02-20 / 阅读(154) / 评论(0) 分类 实用英语

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(138) / 评论(0) 分类 经济学人科技系列

今天我们要学的词是 immunity. Immunity 名词,豁免。Former national security advisor Michael Flynn is discussing receiving immunity with the House and Senate intelligence committees in exchange for testimony. 美国前国家安全顾问弗

发表于:2019-03-07 / 阅读(136) / 评论(0) 分类 英语单词荟萃

The Americas 美洲 Paraguay's new president 巴拉圭的新总统 Cartes plays his cards 卡特高明的手段 Trickle-down economics in one of South America's poorest countries 南美最穷一国的滴流经济学 IN OCTOBER claims surfaced that Vi

发表于:2019-03-09 / 阅读(196) / 评论(0) 分类 经济学人综合

神探夏洛克第三季第一集_09 Help! 救命! 小小缓刑 还有两分钟 He doesn't like it, Daddy. Huh? 小圣雅各教堂 他不想被烧 爸爸 什么? 三分钟抵达 一分钟抵达 Guy Fawkes, he doesn't like it. 盖伊福克斯 他不想被

发表于:2019-03-16 / 阅读(270) / 评论(0) 分类 神探夏洛克第三季
学英语单词
administrative powers
alternating tidal current
Atrichum
black-and-white developer
boat hull buoy
brick curb
care of grain binder
carrier chrominance signal
chakil
chitonal
closing sales
common channel signalling
costa propulsion bulb
counter-move
d'asaro
D.Sc.
decaffeinates
divided shielding
drop off the radar
dryloft
Eardisley
elevation error signal
empigen OB
encrust
environmentally oriented
family Typhlopidae
go down the road
good holding ground
grass-roots unit
guidi
Hexsyn
hot wall furnace
hydroxydaphnetoxin
ice mantle
imagery recognition
imaginary cube root
in pile
individual contributors
intelliservers
intercarotid bodies
joint zone
Kaminokuni
kirkuss
lawcourts
leucitoid
low(er) heat(ing) value
Mapp gas
matanin
mecocyanine
memory consumption
methyl bromide poisoning
misericordious
molecular freedom
multiplee
naval court
neohippy
net density filter
New Critic
Nilgaon
Obamafication
ombrophil
paraffin intermediate crude
pedestrian-only
perfect-storm
phallitis
plastic bonding
politico.com
polyrhythm
porous plug experiment
pseudaulacaspis megacauda
pwll
quantitative geomorphology
rami broechiales posrteriores
reckon
red carpet
redraft
regulation
resolubilize
reticular vein netted vein
rhacomitrium delavayi broth
rhyocrystal
Scale Tons
Serbo-Croatian
shallow granitic formation
shot capacity
shouldered arches
sialma
spettell
squalidus
straw yard
superstars
systematic mapping
São Pedro da Cadeira
the BRC
theca cell tumor thecoma
thread whirling machine
triquints
true wood fiber tracheid
typelogical-grammar
unbone
wunder
wyt