表面势垒光电二极管

[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(223) / 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(178) / 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(149) / 评论(0) 分类 2018年VOA慢速英语(八)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(138) / 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(141) / 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(181) / 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(186) / 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(161) / 评论(0) 分类 2017年NPR美国国家公共电台7月

Like these sea fans, the last frontier of life on the reef. The divers reach their target-- a massive ridge, 190 feet down. Here, the air they are breathing is under pressure, squeezed down so that there's more gas in every lungful. They have to hope

发表于:2019-01-22 / 阅读(144) / 评论(0) 分类 自然百科2011年

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(128) / 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(125) / 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(132) / 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(103) / 评论(0) 分类 自然百科2011年

shows it really quite well. In order to bring back a piece of this mystery, his team of divers will be risking their lives. Diving problems, you got currents, tides, waves. We havent been here before. We haven't been this deep, though. One of those c

发表于:2019-01-22 / 阅读(125) / 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(186) / 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(181) / 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(135) / 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(133) / 评论(0) 分类 2007年VOA常速英语(十月)

LOS ANGELES, June 18 (Xinhua) -- Microsoft Corp. unveiled Monday a family of tablets dubbed Surface, built on Windows 8, at an event in Los Angeles. Microsoft Chief Executive Steve Ballmer introduced the company's Surface family of tablets. The devic

发表于:2019-02-17 / 阅读(156) / 评论(0) 分类 英语新闻

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(146) / 评论(0) 分类 英语新闻
学英语单词
acetone resin
acridophagous
alkaline-resistant paint
amphiphile
ascandroside
atomic beam frequency standard
bish-bash-bosh
booking report
booty bump
bounce the ball
built pillar
Campanumoea javanica
cepharadione
change direction protocol
cold plug
communers
contact polling
conveying device
Corynocarpaceae
crush fracture
disk anode
double-pole three-throw (dptt)
effective green time
elevated shore line
envenometh
Ewart sign
external-diameter
Extra Serious Accident
Fagerhult
fourscorer
fragaria ananassas
free index
full-cross gauze
gelada
glow conduction
gross proceeds from sales
half serious
handicappings
high-energy ignition
interbedded mineral deposit
international transaction
jig tenter
John of Leyden
keep one's nose out
lavrenti pavlovich berias
lead a woman to altar
legal instrument
leviathan yarn
liquid-springing
lloyd's foreign legislation department
lollingite
long-focus technique
lower stratosphere
machine analysis display
mahmoodi
Mongun
multilevel operation
nagashimalite
noncompensated
Nova Scotian
onchoceriasis
out of the hat
palaeopropithecids
pandur-
papilloretinitis
pernice
phonebooths
phosphohexonate
pored wood
posterior labial vein
pregenerated
press manager
private call
re-embrittlement
reference black level
resistance capacitance network
rolly oil
Saharsa
schwarzer zeolith
Scotch cloth
sedimentary particles in suspension
semi built-up type
skil
solid-solid interfaces
splots
strain energy theory
tapered foot roller
technical paper
therapeutic window
third scale-step
triangular girder
true dwarves
viscosimeter transpiration type
vt fuse
walkie
weeksman
wrench fork
young fogey
zemni
Zilavka
zoogyroscope