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创新英语教程第二册UNIT4

[00:04.99]1.How's it going? [00:11.23]The day that changed my life [00:15.39]When I saw Jim on the news,I didn't recognise him to begin with. [00:22.54]He looked really thin and his hair was falling out. [00:28.19]When I heard the reporter say his na

发表于:2018-12-13 / 阅读(188) / 评论(0)

创新英语教程第二册

SSS 2009-04-06

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

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Scientific American(四)月

SSS 2011-09-09

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Common batteries are electrochemical cells. And they may get better thanks to living cells: the multicellular organism called brown algae. Lithium ion

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