血液脑嵴液栅,血脑障壁

[00:03.81]barrier :n.障碍 [00:05.64]bilateral :a.双边的 [00:07.73]boycott :v.抵制 [00:09.61]dumping :n.倾销 [00:11.28]free trade :自由贸易 [00:13.29]Normal Trade Relations :正常贸易关系 [00:16.03]protectionism :n.保护主义 [00:1

发表于:2018-11-30 / 阅读(277) / 评论(0) 分类 商务英语分类核心1000词汇

英语畅谈世界文化lesson7:Great Barrier Reef大堡礁

发表于:2018-12-07 / 阅读(231) / 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(184) / 评论(0) 分类 2018年VOA慢速英语(八)月

Callum: Hello and welcome to 6 Minute English, I'm Callum Robertson and with me todayis Kate, hello Kate. Kate: Hello Callum. Callum: Today we're going 'down under' - Kate, where's that, where's 'down under'? Kate: 'Down under' means Australia. Callu

发表于:2018-12-11 / 阅读(207) / 评论(0) 分类 六分钟英语

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(179) / 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(179) / 评论(0) 分类 不择手段背单词

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(248) / 评论(0) 分类 VOA2004(上)--各类新闻

By Jim Teeple Jerusalem 31 January 2007 Israel's government says it is considering moving the West Bank security barrier eastward, farther into the West Bank to enclose two Jewish settlements. VOA's Jim Teeple reports from Jerusalem, Palestinian offi

发表于:2019-01-13 / 阅读(232) / 评论(0) 分类 2007年VOA标准英语(一月)

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(213) / 评论(0) 分类 2017年NPR美国国家公共电台7月

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(175) / 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(177) / 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(177) / 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(146) / 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(233) / 评论(0) 分类 英语每日一词

Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c

发表于:2019-01-26 / 阅读(262) / 评论(0) 分类 经济学人科技系列

Science and Technology Creutzfeldt-Jakob disease Breaking down the barrier 科技 克雅氏病 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-cow dis

发表于:2019-01-26 / 阅读(231) / 评论(0) 分类 经济学人科技系列

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(224) / 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(181) / 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(177) / 评论(0) 分类 2007年VOA常速英语(十月)

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(198) / 评论(0) 分类 英语新闻
学英语单词
Acacia catechu
acceptable standard
aluminium-copper-iron
alveoluss
analytic statistics method
anti-reaction coil
antisymmetry postulate
assessment center method
Baccacurea
bank certificate
be off sick
caricaturists
carnahubas
center feed tape
charolaiss
chiaia
coding form
colltype process
commensurableness
costal respiration
cowmanship
crackwhores
Darvi
delayals
delayed neutron fraction
discreditableness
distant extrapolation
economic optimum application rate
environpolitics
equatorial mounting
extreme temperature hydraulics
fatehpurs
fatigue defence reaction of
file compare
finishing polish
gag-reined
gumbas
haberdashery
hafren
hazard resistant building
heat pump plant annual energy consumption
hell-raiser
housebreakings
immunization theory
instantanous center
irradiation rig
Jehozabad
jintee
kolach
laser power meter
LeProvost
letovicte
Loy.
Mataiva Atoll
Medgel
misintelligible
mobile radio system
monoculite
Nemachilus sewerzowi
normal specular reflectance
not the end of the world
one-eighty-degree-approach
paramenispermine
pidgin English
plant juice analysis
plumbi oleas
radio reconnaissance monitoring system
reaction constant
relexicalization
reverse flow cleaning
run out of steam
Saccharomyces sternoni
salutatorian
semi product
semiconductor hot-wirt anemometer
semiconductor-equipment
shaft furnace for pellet firing
short-circuit making and breaking capacity
sleeve valve
slotted girder
speed-length coefficient
streetward
sub-records
symbolic goods
synthetic extender
take trouble over
transportomes
transprovincial
tuckneraria pseudocomplicata
tunnis
unconstantness
unit replacement system
unkeepable
unmistakable tuberculosis
uredinales imperfecti
very-high frequency(vhf)
viricidal
viscoamylograph
voyage certificate
watch-glass
weight distribution factor
wodens