阻挡层整流器

I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2018-12-04 / 阅读(215) / 评论(0) 分类 听一分钟英文-O

英语畅谈世界文化lesson7:Great Barrier Reef大堡礁

发表于:2018-12-07 / 阅读(217) / 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(172) / 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(161) / 评论(0) 分类 留学生在中国

There is a special day to recognize the importance of the ozone layer. In 1995, the United Nations General Assembly decided September 16th is the International Day for the Preservation of the Ozone Layer. This is the date on which countries signed th

发表于:2018-12-29 / 阅读(270) / 评论(0) 分类 英语课程学习计划和讲义

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(163) / 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(219) / 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(209) / 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(187) / 评论(0) 分类 2017年NPR美国国家公共电台7月

I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2019-01-21 / 阅读(220) / 评论(0) 分类 纯正英语一分钟

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(155) / 评论(0) 分类 自然百科2011年

These destructive waves are as much a part of the reefs life cycle as the animals that inhabit it, and the corals that make it. But out here, there is another miracle. A hundred miles from the coast, In the midst of this huge flat sea, suddenly and w

发表于:2019-01-22 / 阅读(248) / 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(153) / 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(163) / 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(127) / 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(217) / 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(206) / 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(172) / 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(163) / 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(181) / 评论(0) 分类 英语新闻
学英语单词
'ang
2-hexenoic acid
acremoniella atra
adventitious tubule
air register
anterior cruciate ligament of knee
antiacrodynia factor
aphrodisias
AQL (acceptable quality level)
atomic number 45
basic food
basin-to-basin fractionation
bumhole
butyl ricinoleate
chalcophyllite
chloromorphide
choraguss
chromaking
chronostratigraphic classification
combined desulphurization and denitrification process
common amplifier circuit
contract for the delivery of goods by installments
death panels
dictyosperma album
differential thermal analysis
dolphinate
dragade
edge distance of rivet
Eias
fence up
from one extreme to the other
gas conducting zone
gelivable
go overseas
Godwinian
graceful
Griffith Joyner, Florence
guidance computer
guided electric waves
gyromagnetic limiter
high-context culture
Holyport
homemade-style
in - store promotion
Judeophobe
Kalb, Johann
Laceby
lever reversing gear
lifeworthy
lincoln memorials
load lamp power meter
magnetic retention
maintainer script
mean residue weight
microfluorimetrically
miho
miscellaneous form
Mokvyn
motor octane number
nandine
oil containing ballast water
organoheterotroph
parkland
peripheral charging cone
phaco
photoelectric conversion
physical fault tolerance
possible crystal face
pudder
raciation
regardest
repulsive uniaxial crystal
reservation policy
roll setting angle
rouble
rule against accumulation
sadhu
self respecting
shenan
sick parade
sounding compass
spark-excited spectrum
spore producing plant
subjunctive modes
tbr.
theater prompters
thermosiphonthermotank
tradenet
triode-driven pentode
Ukta
ultra photometer
unfilling
unnerved
unshift
unstable particle
Uyeng Hung
values transfer
vertebrae spuriae
volume adjuster
wainaina
woolpacks
x.500