单词：maximal oxygen debt
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Can Oxygen Be Toxic?氧气有毒吗？ In order for us to live we must have oxygen, so how can it be bad for us? Today we explain how oxygen can be toxic. 氧气是我们生存所必需的，所以它怎么会对我们有害呢？今天我们来解释为
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This is Scientific American's Sixty-Second Science. I'm Christopher Intagliata. Got the minute? A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked inand it was stay warm
Scientific American(五)月
Grab my hand take one step Come with me no regrets 'Coz we'll fly higher than what you can imagine When your heart is mine, anything can happen You're my baby I know you hear this song No need to worry about us You ain't doing nothing wrong Coz latel
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LULU GARCIA-NAVARRO, HOST: It's not every day that scientists announce a new season. But that's what ocean researchers just did on the west coast. They say waters off Oregon, Washington and California now have a whole season when the oxygen level on
2018年NPR美国国家公共电台10月
On June 3rd, a train loaded with highly volatile crude oil derailed just outside the small town of Mosier in Oregons Columbia River Valley. More than 40,000 gallons of crude spilled out of the train. Some burned away in a 14-hour long fire at the sce
2016年Scientific American(十)月
凭借在iTunes和MySpace的成功，来自美国加州的流行女歌手科尔比凯拉特（Colbie Caillat）的处女专辑《Coco》一经发行便得到了很多歌迷的关注。在美国上市第一周，这张《Coco》共售出5万1千张，在本周的Billboard 200专辑榜中跻身前五名. 在没有与唱片公司签订合约之前
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President Barack Obama along with several Republican and Democratic congressional leaders held a fourth round of negotiations in as many days Wednesday at the White House aimed at achieving a deficit reduction and debt compromise. With media reports
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Negotiations between President Barack Obama and Republican lawmakers appear deadlocked, with Republican leaders sharply criticizing Mr. Obama's approach in talks about slashing U.S. budget deficits and raising the government's borrowing limit. The pr
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President Barack Obama says congressional leaders from both political parties need to do the right thing and work with him to achieve the largest possible compromise to cut deficit spending and raise the national debt limit. Mr. Obama used a news con
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With a little more than a month until a deadline to raise the nation's debt limit, President Barack Obama met on Monday with the top U.S. Senate Democratic and Republican leaders to try to narrow differences in long-running talks on reducing governme
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Colbie Caillat-Oxygen I came apart inside a world 我在这个由怒气冲冲的人们组成的 made of angry people 世界里支离破碎 I found a boy who had a dream 直到有一天我遇见一个寻梦的男孩 Making everyone smile 他令他身边
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The head of the International Monetary Fund says economic recovery is still possible, but it is getting harder. In Washington, IMF Managing Director Christine Lagarde said Thursday that troubled economies have fewer resources now than at the start of
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Oxygen therapy can bring drug-free relief to many Vidushi Sinha | Washington, DC 15 December 2009 A new study shows that breathing pure oxygen can considerably lessen the agony experienced with severe headaches Cluster headaches are described by suff
VOA标准英语2009年(十二月)
President Barack Obama says U.S. lawmakers have a unique opportunity to stabilize the nations economy for a decade or more. But, the president said Friday time is running out for a deal to raise the governments legal debt limit and cut deficits. At h
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Greece and Spain faced new pressure Tuesday from the European debt crisis. The European Union bluntly told the Athens government it would not receive its next $11 billion installment from last year's bailout unless its fractious political leaders sig
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The White House says it remains confident that congressional leaders can come together and work out a way to raise the U.S. debt ceiling before an August 2 deadline. A top aide to President Obama spoke as Republicans controlling the House of Represen
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The U.S. House of Representatives has approved a compromise deal to raise the country's debt limit and cutting spending, one day before the government is due to start defaulting on its debt. In a vote Monday night, 269 House members approved the deal
英语新闻
The U.S. House of Representatives is expected to vote Thursday on a Republican plan to trim government spending and raise the federal borrowing limit. The vote comes days before a deadline to avert a possible default on U.S. debt obligations that Pre
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I came apart inside a world 我在这个由怒气冲冲的人们组成的 made of angry people 世界里支离破碎 I found a boy who had a dream 直到有一天我遇见一个寻梦的男孩 Making everyone smile 他令他身边的每个人都能展颜
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President Barack Obama says there is no doubt that the European Unions agreement to slash Greeces debt and enlarge a bailout fund is progress. The president says strong execution of the plan is essential. After meeting Thursday with the Czech Republi
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