废坯料

TED演讲:在体内寻找癌细胞的小颗粒(2)

Now as engineers, we think of this as straight-up miniaturization. 作为工程师，我们认为这个就是直接微型化。 You took a big thing and you made it little. 你带来一个大东西并且把它变小。 But what I told you before abou

发表于:2019-01-03 / 阅读(32) / 评论(0)

TED演讲科学篇

Two Inventions That Helped Level the Playing Field Against

BOB DOUGHTY: This is SCIENCE IN THE NEWS in VOA Special English. Im Bob Doughty. CHRISTOPHER CRUISE: And Im Christopher Cruise. Today we tell about two recent inventions that have helped to save lives. We will also tell about the people who developed

发表于:2019-01-12 / 阅读(333) / 评论(0)

2011年VOA慢速英语(三)月

VOA慢速英语2013 科学和工程的发明拯救生命

Scientific and Engineering Inventions Save Lives 科学和工程的发明拯救生命 This is Science in the News, in VOA Special English. Im June Simms. Today Shirley Griffith and Bob Doughty tell about two recent inventions that have helped to save

发表于:2019-01-12 / 阅读(39) / 评论(0)

2013年VOA慢速英语(十)月

VOA慢速英语2010年- SCIENCE IN THE NEWS - Science of Safe

SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS in VOA Special English. I'm Shirley Griffith. BOB DOUGHTY: And I'm Bob Doughty. Today we tell about two recent inventions that have helped to save lives. We will also tell about the people who developed t

发表于:2019-01-26 / 阅读(57) / 评论(0)

2010年慢速英语(二)月

【时间旅行者的妻子】16

Clare counts. I race around picking underwear and socks from the floor, collecting spoons and coffee cups from various horizontal surfaces and chucking them into the kitchen sink. As she says Nine hundred and sixty-seven, I remove the tie from her ey

发表于:2019-01-29 / 阅读(26) / 评论(0)

时间旅行者的妻子

新型材料的自我修复功能：碎屏能自动愈合

A new self-repairing material has been developed by researchers in the UK and they say itll be ready to integrate into everything from smartphone screens to nail varnish within the next five years. 英国研究员已开发一种能自我修复的新型

发表于:2019-02-02 / 阅读(26) / 评论(0)

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学英语单词

accessory plate(darlington 1936)

ankerite

aqueous rock

balanced presentation

Balobe

bathmism

battlefield support missile