生物阻碍

英语畅谈世界文化lesson7:Great Barrier Reef大堡礁

发表于:2018-12-07 / 阅读(171) / 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(142) / 评论(0) 分类 2018年VOA慢速英语(八)月

Broadcast: Jan 10 2003 The Pentagon has issued a statement 2) asserting the military is prepared to protect its personnel from possible biological weapons attack. On the surface, the Pentagon's assert

发表于:2018-12-08 / 阅读(123) / 评论(0) 分类 VOA2003(上)-健康之旅

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(130) / 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(136) / 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(175) / 评论(0) 分类 VOA2004(上)--各类新闻

By Lisa Schlein Geneva 20 November 2006 U.N. Secretary-General Kofi Annan is urging nations to do more to combat biological weapons, and to create global safeguards to keep them out of terrorist hands. Kofi Annan at a review conference on Biological

发表于:2019-01-12 / 阅读(199) / 评论(0) 分类 2006年VOA标准英语(十一月)

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(177) / 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(158) / 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(123) / 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(117) / 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(122) / 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(93) / 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(177) / 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(170) / 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(130) / 评论(0) 分类 英语单词荟萃

AGRICULTURE REPORT - Biological Controls, Part 1 By Mario Ritter Broadcast: Tuesday, April 13, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Biological controls are living

发表于:2019-01-30 / 阅读(144) / 评论(0) 分类 农业与发展

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(121) / 评论(0) 分类 2007年VOA常速英语(十月)

Israel Practices Biological Attack Response The Israeli government has carried out a two-day exercise it says is aimed at boosting preparedness for any terrorist attack aimed at sparking an outbreak of a highly contagious disease. Israeli officials e

发表于:2019-02-12 / 阅读(151) / 评论(0) 分类 VOA标准英语2011年(十二月)

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(137) / 评论(0) 分类 英语新闻
学英语单词
-necked
acid mine drainage waste
aitcho
angel-food
Antheraea pernyi nuclear polyhedrosis virus
approximate valuation
barbarisms
basal membrane of semicircular duct
belt clamp
blanket gas
cam-like
cargo containment area
celestial intercept
Chimborazo
clinical examination
cockly
corona of glans of penis
correspondingly
coupling phase
currency cocktail bond
Debye sphere
decision of bankruptcy
decline of a well
direct-noise amplifier
Dzmitravichy
ecowater
enemy character
equitable price
evolutionary relationships
external beam path
ferro-magnetic excitation
field station
flat-compound characteristic
Footville
Francis Galton
frequency increment
fresh water clam
get on someone's case
give someone the bird
heat control
heavy isotope
high speed industrial flat bed sewing machine
high-tank
in my opinion
in the foreseeable future
indistinguishabilities
invisibles college
job-purpose training
lamina propria mucos?
latok
lily of the Nile
Long An, Tinh
love's coefficient
madrids
mal-ominous
meadowlord
Micardis
miss an accident
misunderestimations
model of nucleus
monotints
Morina longifolia
nonmechanized coal mining
nonregion
Obermayer's tests
OD's
option surcharge
organopathies
overlay glass
pentyloxy
perospirone
plantinga
plastic kaolin
Pljevlja
quanta option
registrant
restorals
returned-material order
rhizomoid
self-moving
shipyard floating crane
Shute, Nevil
small keyboard
sniffly
solid-slug lattice
spanboards
steady state operating condition
stoles
suspent
symmetrica
tergiversators
throttle governing
tool-bag
touch system
toups
uglows
vermiculating
video transport
vigna unguiculata sesquipedaliss
volume correction
web-enhanced
width of fringe