[电] 障壁层整流

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(351) / 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(355) / 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(301) / 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(284) / 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(432) / 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(277) / 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(359) / 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(319) / 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(373) / 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(299) / 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(361) / 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(324) / 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(292) / 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(275) / 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(331) / 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(342) / 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(280) / 评论(0) 分类 英语单词荟萃

rabbit n. 兔子 解析:hare n.野兔 rack n. 行李架 v. 使痛苦 racket n. 球拍 radar n. 雷达 解析:联系记忆:radiate v. 放射 radio n. 收音机 radioactive a.放射性的 radiatio

发表于:2019-02-03 / 阅读(322) / 评论(0) 分类 英文语法词汇

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(270) / 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(320) / 评论(0) 分类 英语新闻
学英语单词
Achilles(') spear
annual overhaul
apkd
apportion the total conversion costs
aretalogies
B and S Ball
backward scheduling
beacon message
bid for peace
blood pondrette
British Overseas citizenship
byman
carbon fixed
central resolution
chrysoidine Y
chrysophyllums
cloy
complex male hermaphrodism
comstat
Cum Warrant
deerlet
departure interval
diplomats
dissolution system monitor
drop-dial
empire cloth
Eosestheria
equivalence of bilinear forms
Erythropsis pulcherrima
exhaust flaming
final great-circle course
flashy blindness
fleming john ambrose
GCFBR
goosebumples
helice formosensis
hermetical
Hololachna
hot-press arrangement
hydroreforming catalyst
Indian rose chestnut
infrared intensity
inner post
intaglio gravure
integrated wdm filter
khasiensis
lamellar model
laryngohypophaynx
Latin Americans
Ligusticum sinense
linguisitc education
manufacture's catalogue
massaroes
Meconopsis venusta
mickelsons
Mikrá Airport
natural fertilizer
neuroticum papilloma
neurovaricosis
nose-pipe
Now's your time!
Osgood-Schlatter disease
outshove
per primam intentionem
Pian-do
picturs
PoE injector
positive duration dependence
power-shot
prime valve
programmed model
promotion strategy
pyburn
rat-rime
readeresses
rhomb
ricinolic
rise to something
rumplings
sadguru
Salduba
Santa Cruz del Quiché
say it, don't spray it
Shelter-wood
shout
single-blade
soluble enzyme
split timber
suist
system geography
testosterone-sterilized(female)rat
thin film solid-state image sensor
triableness
tropochrome
uncompanionableness
understandings
upidosin
ustions
virtuosic
whirlaway
woman-friendly
yaik