[电] 挡料电极

morality influence undertake bonus excess vault pudding howl move thigh enterprise icy melody tribute intelligible hurl cavity portray cordial conscientious quantify electrode nose cite

发表于:2018-12-01 / 阅读(201) / 评论(0) 分类 用Mp3背六级单词

This is Scientific American's sixty seconds science, I'm Christopher Intagliata. Got a minute? Instead of installing solar paint on your roof how about just giving a house new paint job of cause you'd have to sure to use solar paint. That's what to a

发表于:2018-12-02 / 阅读(198) / 评论(0) 分类 Scientific American(十二)月

英语畅谈世界文化lesson7:Great Barrier Reef大堡礁

发表于:2018-12-07 / 阅读(177) / 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(146) / 评论(0) 分类 2018年VOA慢速英语(八)月

Bacteria Discovered To Recharge Cell Phone A microbe called Rhodoferax Ferrireducens,found in the mud at Oyster Bay,Virginia,has been discovered to transfer electrons directly onto an electrode

发表于:2018-12-18 / 阅读(154) / 评论(0) 分类 有声杂志阅读

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(136) / 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(140) / 评论(0) 分类 不择手段背单词

Time for M.I.T.s Clean Energy Prize. The annual competition gives teams of university students a chance to compete for $200,000 to kick-start their new clean energy business. One finalist designed a compression technology for natural gas wells that w

发表于:2019-01-02 / 阅读(366) / 评论(0) 分类 60秒科学

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(180) / 评论(0) 分类 Scientific American(八)月

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(178) / 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(159) / 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(126) / 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(124) / 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(130) / 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(100) / 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(183) / 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(176) / 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(134) / 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(131) / 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(145) / 评论(0) 分类 英语新闻
学英语单词
absorption length
Africanlike
Albans
alkaline treatment
amphitorna purpureofascia
antedon serrata
anzia japonica
architectural enamel
bacterial toxemia
biological control system
bladder control
bredwardines
bright steel bar
burning me
butyraldehyde
c-richest
CDings
chloro-platinite
city life
continuous overhead sprinkling
continuous surface
coralli-
cross-cultural psychology
crowhop
cyrtoceracone
DENDROBATIDAE
design law
device dependent bitmap
didees
digital level meter
disingenuously
division of economic zones
double-bevel butt weld K
estate-bottling
evaginations
express lanes
external stores system
GAT-1
germinating apparatus
giga-metres
holder clamping bolt
homebirths
ice bar
ice quake
IInd
imam
Kokandomycin
Lancaster cloth
massachusetts-boston
maurishka
moisture movement
Montsecret
moronid
nabalus
Nahunta
nitroso dyes
number of per mu soybean
operating factor
operatives' bank
Ouarzazate, Prov.de
PALV
Peleomycin
penalty killer
photon echo
pigeon
pipe ore
pohland
Portavogie
principal points
PRNA
pyramid hardness
radio communication service
radiotelephone service
refracted
request for technology
rolling indicator
saso
Saxifraga nakaoides
schistose crystalline rocks
shipping address code
sloughing shale
spade foots
Sterling Res.
Tactile Communicator
time-sharing keyboard printer
to blow off
toughs out
treatment protocol
Turbiston
typing line
undiscriminating
unsteady flow in pipe
up to the ears
varenius
variety degeneration rate
very short-range weather forecast
vitreous wart
waterproofed
watertight spacing
world wide web distributed authoring and versioning
wrist wrestling
Zhylandy