单词：output signal with inert tracer
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[00:00.00]TEXT he LetterA(I) [00:05.49]I was born in the Rotunda Hospital,on June 5th,1932. [00:11.76]Mine was a difficult birth,I am told.Both mother and son almost died. [00:18.31]A whole army of relations queued up outside the hospital until [00:2
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These discoveries raised the stakes. Here was a planet similar to our own. Mars might not have cities or civilizations. But it could be home to other smaller life forms like microbes. Chris McKay is N
火星生命
President Obama has just arrived in Afghanistan in what was an unannounced trip on this anniversary of the US raid that led to the death of al-Qaeda leader Osama bin Laden. Mr. Obama and his Afghanistan counterpart Hamid Karzai are expected to approv
2012年NPR美国国家公共电台5月
The New Age of Nuclear Power By Spencer Reiss / Originally published in Wired . Get ready for the mass-produce, meltdown -proof future of nuclear energy 1 A team of Chinese scientists advising the Bei
彭蒙惠英语
It's Such a Gas! Natural bodily functions are a popular theme in lowbrow humor the world over, especially among adolescent boys, and none more so than farting. A fart, which is the expulsion of gas fr
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This is scientific Americans 60 Second Science. I'm Steve Mirskey. Got a minute? The lure of gold can be electric to some people even though the element is chemically inert on the large scale. But the researchers from Georgia Tech report that down at
Scientific American(三)月
OPEC will cut its oil output by 1.5 million barrels a day starting in November, with chances of more cuts to come. But from Paris, Lisa Bryant reports the announcement was met by a further drop by financial markets. OPEC hopes that by cutting output
VOA标准英语2008年（十月）
OPEC Agrees to Reduce Oil Output Kerry Sheridan Oil prices edged higher Tuesday after ministers from the Organization of Petroleum Exporting Countries (OPEC) agreed to reduce output. OPEC ministers ha
VOA2004（上）--各类新闻
China's iron ore manufacturers say they're struggling to keep their businesses afloat because of high costs and taxes while production is on the rise for the sector's global giants. Brazil's Vale SA is the world's largest iron ore producer and it say
cctv9英语新闻2015年
BEIJING, March 13 (Xinhua) -- Both China and U.S. signaled that the world's two biggest economies should explore a road of new-type relations. The new type of relations between major powers should be based on mutual respect, cooperation and seeking w
英语新闻
A Western Australian company has made a hot chip vending machine that deep fries frozen chips while you wait. 澳大利亚西部一家公司设计出一款热薯条自动贩卖机，在顾客等候期间能自动将冷冻薯条烤制成热腾腾的薯条
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BEIJING, Aug. 19 (Xinhua) -- China's steel output growth slowed in July and prices of steel products have continued to drop, according to data from the National Development and Reform Commission (NDRC). Crude steel production gained 4.2 percent year
英语新闻
An expert at the International Energy Agency says it may be many months before Libya's damaged oil industry can resume full production. The head of IEA's Oil Industry and Markets Division, David Fyfe, said Thursday there are many logistical, operatio
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By Lisa Bryant Paris 01 February 2008 OPEC's 13 members, meeting in Vienna Friday, rejected calls by the United States to increase oil output. The oil cartel said supplies meet current demands. Lisa Bryant has more from Paris. Following talks in Vien
VOA常速英语2008年（二月）
BEIJING, Dec. 9 (Xinhua) -- China's industrial production growth continued to accelerate in November, indicating that the nation's economy is rebounding after seeing its lowest expansion pace in more than three years. China's value-added industrial o
英语新闻
China's industrial output growth accelerates in October BEIJING, Nov. 9 (Xinhua) -- Industrial production growth continued to accelerate in October, presenting evidence that China's economy is picking up steam after seeing its lowest growth rate in m
英语新闻
China's autumn grain output to hit record high BEIJING, Oct. 19 (Xinhua) -- China's grain output this autumn is likely to hit a record high and bring a ninth year of consecutive growth in the annual output, an official with the Ministry of Agricultur
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Science and technology 科学技术 Psychology 心理学 How dead is dead? 死亡的程度 Sometimes, those who have died seem more alive than those who have not 有时候，已死的人比没死的人更像活人 IN GENERAL, people are pretty good a
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Psychology 心理学 How dead is dead? 怎样死才算死？ Sometimes, those who have died seem more alive than those who have not 有时，死人似乎比活人更活。 Aug 20th 2011 | from the print edition IN GENERAL, people are pretty good at d
经济学人综合
And though of all men the moody captain of the Pequod was the least given to that sort of shallowest assumption; 裴廓德号这位郁郁寡欢的船长,虽说可算是最不善于做出这种浅薄无聊的行动; and though the only homage he ever
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