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SSS 2011-12-20

material scientists admire spider silk for being lightweight and strong.now another arthropod product is getting into the act insect cuticle,the tough flexible material is inside insect skeleton.researchers at harvard * institute for biological inspi

发表于:2018-12-02 / 阅读(265) / 评论(0)

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TED演讲：用舞蹈战胜癌症(1)

This is an ode to the mother goddess, that most of us in India learn when we are children. 有一首关于印度神母的颂歌，是我们大部分的印度人从小就学习的。 I learned it when I was four at my mother's knee. 在我四岁的时候

发表于:2018-12-19 / 阅读(323) / 评论(0)

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2007年VOA标准英语-Analysts Say Relations Between Moscow and Tehra

By Andre de Nesnera Washington 24 September 2007 Russia is helping Iran build a large-scale nuclear reactor, while giving it crucial support at the United Nations. But as Senior Correspondent Andr de Nesnera reports from Washington, relations between

发表于:2019-01-07 / 阅读(337) / 评论(0)

2007年VOA标准英语（九月）

VOA标准英语2009年-Ahmadinejad Blames Economic Woes on West at Teh

Iran's President Mahmoud Ahmadinejad spoke Wednesday at the opening of the Economic Cooperation Organization summit in Tehran that brings together 10 regional countries. Mahmoud Ahmadinejad (file photo) President Ahmadinejad blamed the West for the

发表于:2019-01-13 / 阅读(219) / 评论(0)

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VOA标准英语2010年-US Tightens Iran Sanctions, Says Tehra

The Obama administration on Tuesday announced new sanctions against an array of Iranian-controlled companies, entities and individuals said to be helping Tehran evade nuclear sanctions or promote terrorism. The State Department said there are signs t

发表于:2019-02-06 / 阅读(253) / 评论(0)

VOA标准英语2010年(八)月

美国国家公共电台 NPR Federal Employees Moonlight To Pay The Bills

DAVID GREENE, HOST: Well, the future of Brexit is uncertain this morning. So is the future for Prime Minister Theresa May. Really, so is the future of Britain. The prime minister is facing a vote of no confidence today. This comes after her governmen

发表于:2019-03-04 / 阅读(251) / 评论(0)

2019年NPR美国国家公共电台1月

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