TED演讲之神童 获奖青少年,科技在行动(6)
Hi everyone. I'm Naomi Shah, and today I'll be talking to you about my research involving indoor air quality and asthmatic patients. 大家好,我是劳伦·霍奇,今天我要跟你们讲讲我关于室内空气质量和哮喘病人的研究。 1.6 million deaths worldwid
奥巴马演讲:欢迎胡锦涛主席来美国访问
In a sense, China's State Visit to the United States had already begun by the time of the Arrival Ceremony this morning, with President Obama and President Hu joining a working dinner the night before
Ted英语演讲:吉姆·霍尔特:宇宙为何会存在?
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奥巴马总统每周电台演讲:总统呼吁国会承诺消除自动减支的不良影响
Hi, everybody. 嗨,大家好! On Friday, I met with leaders of both parties in Congress to try and find a way forward in light of the severe budget cuts—known in Washington as “the sequester”—that have alread
奥巴马每周电台演讲:Pay As You Go
The President, having just signed the "Pay As You Go" law, discusses the importance of this fundamental rule to getting budget deficits in check. Ensuring that new spending and tax cuts are offset was