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美国国家公共电台 NPR Authors Talk Politics: Junot Diaz On Election 2016

Authors Talk Politics: Junot Diaz On Election 2016 play pause stop mute unmute max volume 00:0006:11repeat 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. SCOTT

发表于:2018-12-18 / 阅读(52) / 评论(0)

2016年NPR美国国家公共电台10月

SSS 2011-08-12

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr

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Scientific American(八)月

美国国家公共电台 NPR In Junot Diaz's 'Islandborn,' A Curious Child Re-Creates Her Dominican Roots

RACHEL MARTIN, HOST: The writer Junot Diaz wanted to publish a children's book for more than 20 years. In the meantime, he stayed busy. He wrote several grown-up books, including The Brief Wondrous Life Of Oscar Wao, which won a Pulitzer Prize. He al

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2018年NPR美国国家公共电台3月

美国国家公共电台 NPR Nina Diaz Is On The Other Side

Nina Diaz Is On The Other Side play pause stop mute unmute max volume 00:0007:16repeat 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. (SOUNDBITE OF SONG, QUEEN

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2016年NPR美国国家公共电台11月

净化室内空气选这些植物就对了！

Indoor air pollution is a common threat to human health, the new study looked at five common house plants and found that when it comes to removing harmful chemicals from the air, those five plants are better than others. 室内空气污染对人类健康

发表于:2019-02-07 / 阅读(66) / 评论(0)

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夏说英语新闻晨读第499期:兔子与绿萝杂交

本期内容： A humble houseplant with a dash of rabbit DNA could help lower our exposure to indoor air pollution, new research suggests. Scientists have revealed that by inserting a rabbit gene into devils ivy the plant is able to clean the surrou

发表于:2019-02-20 / 阅读(52) / 评论(0)

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baffle support flange

barbarism

Bayerische Motoren Werke AG

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Blair Bell's calcimeter