单词：chromium-nickel electrode
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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
Scientific American(十二)月
[00:09.95]Six weeks ago, the movie Erin Brockovich opened the United States. [00:16.95]So far, it has earned at least 100,000,000 dollars. [00:22.47]It tells a true story about a young woman who helped people in a California town gain money from an e
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Is His Name Santa Claus, Saint Nicholas, Kris Kringle or Pelznickel? Who Cares, So Long As He Brings Gifts! Now, the VOA Special English program Words and Their Stories. Santa Claus is someone who will remain in the hearts of children forever. He is
2013年VOA慢速英语(十二)月
dime是值十美分的硬币。 dime的价值虽然是nickel的两倍， 但是dime也只是一枚很小的硬币，而且dime跟 nickel相比是既小又薄，原因是过去曾经用比镍贵重得多的银子来铸造dime。 Nickel-and-dime既可以
美国俚语
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
有声杂志阅读
Historic preservationists are often passionate in their zeal to keep the wrecking ball from beloved buildings. One man even died in the process. Richard Nickel spent years with his camera, documenting and arguing against the demolition of buildings
2007年NPR美国国家公共电台
Could an element commonly found in Americans` tap water caused cancer? A nonprofit environmental group is sounding the alarm about something called chromium-6. The U.S. government says high levels of it in the air can be carcinogenic, meaning they ca
CNN美国有线新闻2017年2月
Help! There's someone hurt! - What are you hearing, Sullivan? - According to first responders it was a bomb. - How many? - Four of yours and five passersby. - Have anyone claimed responsibility? - We found this. - Do you think she's dead? - We can't
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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
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
Scientific American(八)月
一个客户在电话线上和我就一笔生意讨价还价，硬要在我的报价上要砍掉一角钱，当时我和他据理力争，他说：I'm not trying to nickel and dime you. 我当时就冲口回答：I don't need your nickel and dime.（我
美国俚语
我们上一次讲了由penny 也就是分币组成的几个习惯用语。美国人用的硬币除了penny还有好几种。例如，价值比penny高一点儿的有五分和一毛的硬币。它们是: nickel and dime。不论Nickel还是dime都是零
美国习惯用语
AS IT IS 2013-05-23 Pollution Forces Residents from California Town Hello. Im Jim Tedder in Washington. Welcome to a special edition of As It Is. Seventeen years ago, an American energy company paid hundreds of millions of dollars to settle legal cla
2013年VOA慢速英语(六)月
[00:00]P：This is Mary Ellen Jenkins. So, Mike, how do you and Joey know each other anyway? [00:05]M：How do I and Joey know each other? Wow, if I had a nickel for every time somebody has asked me that. [00:11]J：From school. [00:12]M：Yeah, we m
英美人天天都在说的4000句:跟着影视学最真实的口语
介绍: NICKLE N I C K LE 镍 是美元中五分钱的硬币 Dime D I M E是美元中十分钱的铸币 dime是值十美分的硬币。 dime的价值虽然是nickel的两倍， 但是dime也只是一枚很小的硬币，而且dime跟 nickel相比是既
英语俚语天天说
JEFFREY BROWN:And now to part two of our investigative look at the safety of America's drinking water. Science correspondent Miles O'Brien reports on the toxic chemical made famous in the movie Erin Brockovich, its potentially harmful effect on human
PBS访谈环境系列
GWEN IFILL: Now NewsHour science correspondent Miles O'Brien begins a two-part look at America's drinking water, and the regulatory system that is supposed to guarantee its safety. His report is the result of a partnership with the Center for Public
PBS访谈环境系列
Nickel or Dime? 5分钱还是10分钱？ Little Johnny used to hang out at the local corner store. The owner didn't know what Johnny's problem was, but the older boys would constantly tease him. 小约翰尼过去常在街角的商店附近闲逛。店
英语小达人
Why Stainless Steel Does Not Rust But Other Metals Do? 不锈钢（Stainless Steel）指耐空气、蒸汽、水等弱腐蚀介质和酸、碱、盐等化学浸蚀性介质腐蚀的钢，又称不锈耐酸钢。实际应用中，常将耐弱腐蚀介质
英语听力文摘 English Digest