感染屏障

infection barrier的用法和样例:

例句

  1. The cell surface barrier had been broached.细胞表面屏障被凿开。
  2. Meditation builds a protective barrier.冥想建立起一个保护屏障。

英语畅谈世界文化lesson7:Great Barrier Reef大堡礁

发表于:2018-12-07 / 阅读(103) / 评论(0) 分类 英语畅谈世界文化

From VOA Learning English, this is the Health Lifestyle report. Our brains are protected by our skull. But that is not the only protection it has. A natural barrier around our brains prevents germs and other damaging substances in the blood from ente

发表于:2018-12-08 / 阅读(89) / 评论(0) 分类 2018年VOA慢速英语(八)月

When youre looking for a table in a crowded cafeteria, you probably give wide berth to the family that sounds like its sharing a big dish of whooping cough. Well, not if youre a house finch, particularly a male. Because a study in the journal Biology

发表于:2018-12-24 / 阅读(68) / 评论(0) 分类 Scientific American(二)月

Chapter 24 Language Barrier between Chinese and Foreigners第 24章 中外语言障碍David:Do you know any foreign experts here in China? 你认识在中国工作的外国专家吗? You:No, language is a real barrier between Chinese and foreig

发表于:2018-12-25 / 阅读(62) / 评论(0) 分类 留学生在中国

barrier, ['briə] n (用来禁止通行的各种)障碍物(如:栅栏和关卡)=obstacle 【例】The police put a barrier 警察设了路障。barrier of speech 语言的隔阂

发表于:2018-12-30 / 阅读(69) / 评论(0) 分类 不择手段背单词

Broadcast: April 30, 2003 By Nancy Steinbach This is the VOA Special English Health Report. American researchers say drinking tea may help strengthen the body's defense system against infection. Docto

发表于:2019-01-06 / 阅读(79) / 评论(0) 分类 VOA2003(上)-健康资讯

Israeli High Court to Consider Legality of Security Barrier Ross Dunn Israel's high court has agreed to consider the legality of a controversial West Bank security barrier , just weeks before the proj

发表于:2019-01-07 / 阅读(107) / 评论(0) 分类 VOA2004(上)--各类新闻

A MARTINEZ, HOST: There are few places on Earth where the impact of climate change is more noticeable than along the Great Barrier Reef. It's the planet's largest living organism that now has become the world's largest dying organism. In the past 18

发表于:2019-01-16 / 阅读(97) / 评论(0) 分类 2017年NPR美国国家公共电台7月

BERLIN, June 1 (Xinhua) -- Germany's disease control center reported on Wednesday 365 new cases of the fatal enterohemorrhagic E. coli (EHEC), which marked a sharp rise since its outbreak in the middle of May. Twenty-five percent of the new cases inv

发表于:2019-01-19 / 阅读(84) / 评论(0) 分类 英语新闻

But the wonky holes will never be completely covered up, because coral cant grow in freshwater. Theyll remain an indelible reminder of the reef's past lives. But the origins of the reef lie even further back in time. And to understand them means crac

发表于:2019-01-22 / 阅读(57) / 评论(0) 分类 自然百科2011年

Today, the elements that support the reef are in fine balance--sun, wind and waves. But it doesn't take much to tip the balance, plummeting this huge reef into disaster. It might happen sonner than you think. Eighteen million years ago, a series of r

发表于:2019-01-22 / 阅读(53) / 评论(0) 分类 自然百科2011年

It's an astounding mechanism, but it looks like it's being overwhelmed. Recently, the coral has been telling us that its had enough. Because when it overheats, it self-destructs, expelling the algae that live with them. They turn deathly pale, a proc

发表于:2019-01-22 / 阅读(57) / 评论(0) 分类 自然百科2011年

Where the forces of nature meet? In a hidden world, a tropical miracle. At this moment, evolution is building a living colossus, a giant built by nature's tiniest creature, a model of reincarnation, a survivor born from disasterthe Great Barrier Reef

发表于:2019-01-22 / 阅读(41) / 评论(0) 分类 自然百科2011年

今天我们要学的词是barrier。 Barrier是障碍的意思。Language barrier, 是语言障碍。Trade barrier, 是贸易壁垒。The lack of funding was the biggest barrier to the road improvement, 意思是道路改善的最大障碍是缺少资

发表于:2019-01-25 / 阅读(102) / 评论(0) 分类 英语每日一词

By Jim Teeple Jerusalem 14 June 2007 The human rights group Amnesty International has called for the dismantling of the Israeli security barrier in the West Bank. The London-based group says the barrier has had a disastrous impact on the lives of Pal

发表于:2019-01-30 / 阅读(117) / 评论(0) 分类 2007年VOA标准英语(六月)

今天我们要学的词是barrier。 Barrier是障碍的意思。Language barrier, 是语言障碍。Trade barrier, 是贸易壁垒。The lack of funding was the biggest barrier to the road improvement, 意思是道路改善的最大障碍是缺少资

发表于:2019-01-30 / 阅读(49) / 评论(0) 分类 英语单词荟萃

By Paul Sisco Washington 12 October 2007 American test pilot Chuck Yeager flew a plane through the sound barrier on October 14th, 1947. VOA's Paul Sisco takes a look back at the famous feat and the man who first flew at Mach 1. Some say only the Wrig

发表于:2019-02-03 / 阅读(47) / 评论(0) 分类 2007年VOA常速英语(十月)

More than 1,200 intensive care units in 75 countries examined Carol Pearson | Washington, DC 08 December 2009 Researchers found that more than half of the 14,000 patients in the study on that one day, developed infections in intensive care units Stay

发表于:2019-02-12 / 阅读(78) / 评论(0) 分类 VOA标准英语2009年(十二月)

今天我们要学的词是infection。 Infection, 感染。 MIT scientists are developing a new drug that might be able to fight any viral infection, 麻省理工大学的科学家正在研究一种新药,可能可以治疗任何病毒感染。 Re

发表于:2019-02-18 / 阅读(69) / 评论(0) 分类 英语单词荟萃

The barrier separating Israel from West Bank Palestinian territories is the theme of a Washington exhibit by a dozen U.S. and Canadian-based artists. Each gives a different representation of what the artist views as an obstacle to peace. The curator

发表于:2019-02-18 / 阅读(71) / 评论(0) 分类 英语新闻
学英语单词
adder
amount-of-substance concen-tration of B
angle of X-ray projiction
antihysterics
antimony ruby glass
armoured rope
assessable loss
backward scatter propagation
barren-ground
be considerate to
benzofurane
black egg
bleeding-time
bottle openers
bronze graphite brush
Broomehill
buckle tear
california wines
catalyst basket
cell name
centinels
chapter books
compensative shunt
core loss
countercurrent mixing
creep in
current vector
cyberphobes
derrick system
diameter of driving hole
dichastic
dispersing coefficient of load
domestic storage financing
double sampling for stratification
dust blowpipe
enfin
Etoxazole
euphitol
Every white hath its black,and every sweet its sour.
field-formatted form
fixed-price lump-sum contract
Fjerritslev
foundation medicine
friction crack
G, g
gross national debt
half-quire
herbaged
indifferent solvent
jouys
Karr column
Latnaya
lead apron
leave about
lettering joint
Libyan Plat.
Liu Yuan
lower miter gate
magnetic flux measurement
Manerbio
Megaloglossy
mobile parity
multifont reader
neutron multiplying facility
not-go side
on ... back
operational research team
Oxyconger
pahadia
parakeratosis brillante
preprogrammed control
primordial atmosphere
pseudoanticline
pseudohydrocephalus
pseudomonas colocasiae takimoto
raices
raw catalyst
regular train
respawned
rhizoma bistortae
rhm (roentgen-per-hour-one-meter)
rudder flange
rudder pintle
sinnet
sorrier
sparrow-like
superoscillation
surface thrust
tank vent
the mercury
transistor resistor circuit
Tuberculum conoideum
turdus viscivoruss
turn someone's battery against himself
urban distribution
usherings in
Vernonia solanifolia
Veuve
watertight hatches
weighted indexing
Wiasi
wirtzs