旋转汞电极

967 、 卷尺 flexiblerule;taperule 968 、 接口;界面;分界面 interface 969 、 接合 joining 970 、 接合工具 joiningtool 971 、 接地 earthing 972 、 接缝 lappedseam;seam 973 、

发表于:2018-11-29 / 阅读(196) / 评论(0) 分类 英文名句短语

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(206) / 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(202) / 评论(0) 分类 Scientific American(十二)月

Studies that will be released today show that fish, birds and mammals in New England have significant amounts of mercury in their bodies. The studies find the toxic metal in some unexpected habitats and they suggest that power plants in the Midwest a

发表于:2018-12-17 / 阅读(248) / 评论(0) 分类 2009年NPR美国国家公共电台7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(162) / 评论(0) 分类 有声杂志阅读

The Mercury Mess By Samantha Levine / 2004, as first appeared in U.S. News nbsp; What are the dangers of mercury in fish? Can the mercury mess be cleaned up? 1 Are these fish safe to eat?” It’s a

发表于:2018-12-19 / 阅读(168) / 评论(0) 分类 彭蒙惠英语

hi,I am Carl Auzus.You are watching CNN studentnews.We have a couple of awsome things in this particular Friday.The Men's field high tiger in Texas got our social media question,right?So congratulates to them.And we have a suprise for you in today's

发表于:2018-12-24 / 阅读(157) / 评论(0) 分类 CNN2012年(四)月

Wormholesby Linda BaxterHave you ever read Carl Sagan's 1985 science fiction novel 'Contact'? Or have you seen the film of the same name starring Jodie Foster? If you have, then you will remember the scene near the end of the film, when the heroine t

发表于:2019-01-02 / 阅读(200) / 评论(0) 分类 英文杂志-Magazine

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(371) / 评论(0) 分类 60秒科学

Remembering 2001: A Space Odyssey 50 Years Later It was 50 years ago that the science fiction film 2001: A Space Odyssey opened in theaters across the United States. The film, directed by Stanley Kubrick, was based on a book by Arthur C. Clarke. The

发表于:2019-01-03 / 阅读(157) / 评论(0) 分类 2018年VOA慢速英语(七)月

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(187) / 评论(0) 分类 Scientific American(八)月

Angela Merkel was born in Hamburg in 1954. She became Germanys first female Chancellor and the first from communist East Germany in 2005. Forbes magazine listed her as the most powerful woman in the world in 2006 and 2007. Western media often dub her

发表于:2019-01-11 / 阅读(171) / 评论(0) 分类 世界名人简介

This is AP News Minute. A day after addressing a harsh UN General Assembly, Indias new Prime Minister Narendra Modi received sundries of receptions in New York City Sunday. He greeted crowds from a rotating stage of American square garden. In Hong Ko

发表于:2019-01-11 / 阅读(174) / 评论(0) 分类 美联社新闻一分钟2014(十)月

This is the VOA Special English Agriculture Report. Sorghum farmers in eastern Uganda, working with scientists, have tested some lower-cost ways to improve their soil. Little rain and poor soil fertility are problems in that area, as in other parts

发表于:2019-01-11 / 阅读(164) / 评论(0) 分类 VOA慢速英语2007年(六)月

Well, the story of the earth spin goes back all the way to the origin of the solar system, four and a half billion years ago. The solar system started out as a cloud of gas and dust. And these gas and dust clumped together to form the sun and the var

发表于:2019-01-22 / 阅读(144) / 评论(0) 分类 自然百科2009年

As the Sun Turns 太阳也在自转? Everyone knows that the earth turns. As a matter of fact, the sun turns too. Altough a lot of people don't realize it. Im not talking about being in orbit , nowthe earth definitely orbit s the sun and not the ot

发表于:2019-01-26 / 阅读(129) / 评论(0) 分类 英语听力文摘 English Digest

SCIENCE IN THE NEWS - Mercury in Fish / Life on Land / The Goldman Environmental Prize By Broadcast: Tuesday, May 11, 2004 (THEME) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm B

发表于:2019-01-30 / 阅读(285) / 评论(0) 分类 科技之光

The U.S. space agency(代理中介) has released the first ever image taken of the surface of Mercury from a spacecraft orbiting the planet. The black and white image, posted on the NASA website Tuesday, shows a surface pocked with craters of varying

发表于:2019-01-31 / 阅读(165) / 评论(0) 分类 英语新闻

Todd: So, Shona, you are quite fit. You like to run. Do you like to do anything else? Shona: Yeah, actually. I like quite a lot of different sports. I like to play tennis. That is like something that I like to participate in with someone else, but al

发表于:2019-02-06 / 阅读(181) / 评论(0) 分类 原版英语对话1000个

By Paul Sisco Washington, DC 15 February 2008 Scientists have started analyzing data and images acquired when the Messenger space probe passed within 200 kilometers of the planet Mercury last month. It was the first flyby of the solar system's inner-

发表于:2019-02-06 / 阅读(219) / 评论(0) 分类 VOA常速英语2008年(二月)
学英语单词
acceleration-sensitive geophone
agricultural program
airy-fairy
Amagi-tōge
application to register
arithmetic library
artificial division
artificial nitrogen fixation
arts-in-education
Astronomical Explorer
auric azide
B picture, B-picture
B-school
Barbados water
barium fluosilicate
Bath stone, bath stone
beryx mollis
beta error
brickmaker
building sand
cage-like
calculation of costs
campaign chest
coaxial plane
conical scan
cross-linked insulation
cyclo-guanosine-monophosphate
deviation alarm sensor
dispossessed party
electromagnetic switch machine
EpsteinBarr
feudalising
fulicas
Genesiacal
genus upupas
george bryan brummells
glass bodies
globall
gobfuls
hodorine
in battery
in-classroom
inexpensive
influenceless
infrared multiphoton absorption spectrum
institutionals
interposer
K Mart
Kagologolo
kaieteur
Kikagati
knocker-ups
licanic acid
longitudinal scan
Macaracas
Mariefred
medesimo tempo
methylcellulosesupplemented
mugs' games
multiusing
Nizhnetambovskoye
pequod
phonoarthrogram
plasma dynamics
poplar trees
postpyknotic
proof against overload
propped fracture area
prosaicalness
rain print
raster scan
rhomboidan
San Miniato al Monte
sealed earth
semisyntheses
sketchings
small-bore machine gun
solepiece
street floor
succor ropeway
superficial distributing cancer of stomach
Suwayhil al Kabīr, Ra's
Tapanui
test of character
trans-acting-factor
transformer coupled stage
transparent soap
trauma of vulva
trentepholia (trentepohlia) albogeniculata
trita
umbraged
unpresidential
uranatemnite
vacuum-assisted
vaticinian
vesme
vessel movement reporting system
wardrobe mistress
water jacket cooling
wind farming
winter wheat
World Data Referral Centre