锰镁硅钙石

2006年VOA标准英语-Spanish Architects Win Tsunami Memorial De

By Ron Corben Bangkok 17 May 2006 An international panel in Thailand has awarded the tsunami memorial design to a team of Spanish architects in a competition that had drawn entries from more than 40 c

发表于:2019-01-04 / 阅读(91) / 评论(0)

2006年VOA标准英语（五月）

SSS 2008-06-10

This is Scientific American's 60-Second Science, I am Cynthia Graber. This'll just take a minute. It might look and even feel like paper, but a new material created by scientists at MIT is designed to be an oil spill super-absorber. This technology d

发表于:2019-01-08 / 阅读(62) / 评论(0)

Scientific American(六)月

SSS 2012-07-16

This is scientific Americans 60 second science,I'm Cynthia Graber.This will just take a minute.A coal mine can decrease the local environment but a Fungi may indivertantly help cleanup the mine with its own waste products. Researchers worked with the

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Scientific American(七)月

VOA慢速英语2011--Can America Win the Education Race?

This is the VOA Special English Education Report. 这里是美国之音慢速英语教育报道。 President Obama talked a lot about education in his State of the Union speech last week. 奥巴马总统在上周的国情咨文一再谈及教育。 B

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2011年VOA慢速英语(二)月

美国国家公共电台 NPR Book Review: 'Garden Time,' W.S. Merwin

Book Review: 'Garden Time,' W.S. Merwin play pause stop mute unmute max volume 00:0001:56repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. KELLY MCEVERS, H

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2016年NPR美国国家公共电台10月

杏仁虽然健康又好吃，吃多了也会要命哦！

Here are 7 health problems from eating too many almonds! 以下是吃太多杏仁会导致的7种健康问题！ 1.Kidney Stones 肾结石 Certain diets and foods can make people more prone to kidney stones, especially diets high in oxalates. This is

发表于:2019-02-07 / 阅读(48) / 评论(0)

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