牺牲阳极;耗蚀性阳极

KELLY MCEVERS, HOST: The country known for creamy sauces and croissants is suffering a butter shortage that has not been seen in recent times. The French per capita consume more butter than any other country, some 18 pounds per person every year, so

发表于:2018-12-02 / 阅读(155) / 评论(0) 分类 2017年NPR美国国家公共电台11月

Scientists at the Massachusetts Institute of Technology (MIT) have created what could be a breakthrough in providing clean, alternative energy. Researchers have invented an artificial leaf that splits water into hydrogen and oxygen and stores the ene

发表于:2018-12-07 / 阅读(172) / 评论(0) 分类 创新英语

This is Scientific Americans Sixty Seconds Science. Im Steve Mirsky. Got a minute? Youve no doubt heard that grapefruit juice can greatly increase the effects of some drugs. Even to a dangerous degree. Pharmacologist David Bailey made that discovery

发表于:2018-12-24 / 阅读(129) / 评论(0) 分类 Scientific American(八)月

20 The Historical Significance of American Revolution The ways of history are so intricate and the motivations of human actions so complex that it is always hazardous to attempt to represent events covering a number of years, a multiplicity of person

发表于:2019-01-02 / 阅读(456) / 评论(0) 分类 英语范文背诵20篇

Todays episode concerns a what-you-may-have-been-wondering-about topic. That sure was a mouthful, and it illustrates the problem of stacked modifiers, which occurs when you string together too many words to describe a noun at the end of the mouthful.

发表于:2019-01-02 / 阅读(135) / 评论(0) 分类 英语语法 Grammar Girl

Artificial Muscle Brings Back Blink A study in the Archives of Facial Plastic Surgery reports the development of an artificial muscle system that could restore the ability to blink to stroke and injury patients. Cynthia Graber reports Most of us blin

发表于:2019-01-02 / 阅读(223) / 评论(0) 分类 60秒科学

Grammar Girl here. Today guest-writer Bonnie Trenga is going to help us take a break from serious grammar and instead delve into the world of comedysome intentional, some not. Groucho Marx said it best: One morning I shot an elephant in my pajamas. H

发表于:2019-01-07 / 阅读(160) / 评论(0) 分类 英语语法 Grammar Girl

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(155) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Common batteries are electrochemical cells. And they may get better thanks to living cells: the multicellular organism called brown algae. Lithium ion

发表于:2019-01-08 / 阅读(160) / 评论(0) 分类 Scientific American(九)月

The Chinese offshore oil corporation known as CNOOC has abandoned its bid for UNOCAL. This would have been the largest-ever purchase of an American company by a Chinese firm. CNOOC had put forth a bid that was higher than the competing bid from US o

发表于:2019-01-08 / 阅读(216) / 评论(0) 分类 2005年NPR美国国家公共电台

来自澳大利亚墨尔本年仅21岁的Anthony Callea参加了2004年第二届澳洲偶像大赛(AUSTRALIAN IDOL).从4月份试音开始,他便受到了歌迷与裁判的一直好评,成为当年大赛的最大热门.尽管最后惜败于16岁的Ca

发表于:2019-01-10 / 阅读(129) / 评论(0) 分类 天籁音乐

Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani

发表于:2019-01-14 / 阅读(192) / 评论(0) 分类 VOA标准英语2011年(四月)

Grammar Girl here. Today's topic is misplaced modifiers. Of all the writing errors you can make, misplaced modifiers are among the most likely to confuse your readers, but they're also kind of fun because misplaced modifiers can give your sentences s

发表于:2019-01-30 / 阅读(192) / 评论(0) 分类 英语语法 Grammar Girl

By Stefan Bos Budapest 01 June 2007 The relatives of victims of Europe's worst massacre since World War II have welcomed the arrest of a key suspect in the atrocity. Bosnian Serb General Zdravko Tolimir was detained Thursday and flown to the United N

发表于:2019-02-06 / 阅读(175) / 评论(0) 分类 2007年VOA标准英语(六月)

SHANGHAI, Feb. 17 (Xinhua) -- Vice Premier Li Keqiang has urged local governments to improve and implement structural tax-reduction polices, while pushing forward fiscal and tax reforms to help stabilize growth. Li made the remarks at two meetings he

发表于:2019-02-07 / 阅读(187) / 评论(0) 分类 英语新闻

音乐咖啡厅:Anthony Callea - Rain 相关介绍:来自澳大利亚墨尔本年仅21岁的Anthony Callea参加了2004年第二届澳洲偶像大赛(AUSTRALIAN IDOL).从4月份试音开始,他便受到了歌迷与裁判的一直好评,成为当年大

发表于:2019-02-07 / 阅读(184) / 评论(0) 分类 音乐咖啡厅

Researchers have developed a method to activate electronic implants in the body and eliminate bacterial infections using a wireless signal。 研究者已经开发了一种运用无线信号激活人体中电子植入物来消除细菌感染的方法。

发表于:2019-02-08 / 阅读(99) / 评论(0) 分类 英语新闻

Deciding where to place a Wi-Fi router at home to minimise signal blackspots is a fine art. But a physicist has attempted to tackle the problem by mathematically working out the optimum position for a router. He studied how walls and reflections affe

发表于:2019-02-08 / 阅读(132) / 评论(0) 分类 英语新闻

U.S. military officials say they have identified the four Marines seen on video urinating on the bodies of dead Afghan Taliban fighters. The Naval Criminal Investigative Service, heading the main inquiry into the video, has also reportedly questioned

发表于:2019-02-08 / 阅读(173) / 评论(0) 分类 英语新闻

Leaders of the Greek and Turkish communities of Cyprus are starting a new series of negotiations aimed at re-unifying the divided island. Cypriot President Demetris Christofias and Turkish Cypriot leader Mehmet-Ali Talat have begun a series of three-

发表于:2019-02-11 / 阅读(188) / 评论(0) 分类 VOA标准英语2010年(一月)
学英语单词
achromatic body
actual reelability
antiphonal singing
aseismic structure
autoionizing
biel (bienne)
boiler front tube plate
bristle tail
bwanas
Caedwalla
capital profit
Carex siderosticta
Clark,William
colliery guaranter
comes to an end
communication test program
constant acceleration input
control oriented
controlled porosity glass
current ampliication factor
cyanomethemoglobin
delay angle
desalting reactor
DSI channel
eigenfrequency of vibration
eileans
employment agents
endo-exoteric
energy volume
equivalent noise pressure
family assets
fish population
four-dimensional data assimilation
furoyltrifluoroacetone
gefullte fish
high plain
hollow chisel
horizontal coordination
horizontal grinding disc
huntziger
hybrid bond
i-heied
instrumentalists
insulating transformer
integral control
Japan paper
khums
laeviss
lead exposure
Maesa marioniae
mamselles
marmadyn
molat
mortar levelling
moses-david
mudskippers
non-participating shares
nonshedding
O'Connell Cr.
ophthalmic nerve
opticopupillary
order release forms
organizer(organizator)
os scaphoideums
physical alpha-power law model
pier to pier
plash
pulse-electromagnetic force
rated velocity
re-counts
re-locations
recover debts
regio clavicularis
rhodium (electro)plating
ritvo
sculptings
secondary rescue facilities
self-production
seven-level screwdriver
side-byside
slop
sonos nonvolatile memories
standardized divorce rate
stored locomotive
strap-down
surface surge
system status register
target growth rate
throws up
top heaviness
tribromo-dichloroethane
UV light absorber
vagiaogram
variation selectors
vibrating drum
videoframes
Vimeiro
VLBR
wide-angled object glass
wooden bulkhead
y axe
zinc vitriols