麻类纤维

最大太阳能飞机完成环球之旅

Solar-Powered Plane Completes Trip Around the World 最大太阳能飞机完成环球之旅 For the first time, a solar-powered airplane has completed a trip around the world. The Solar Impulse 2 landed in Abu Dhabi before sunrise on Tuesday, after a

发表于:2018-12-16 / 阅读(20) / 评论(0)

2016年VOA慢速英语(七)月

60秒科学:Prehistoric Human-Fashioned Fibers Found

A report in the journal Science announces the finding of the oldest known human-fashioned threads, left in a cave by the Caucasus mountains about 34,000 years ago. Cynthia Graber reports. We humans love to decorate things. We wear flashy clothes, ti

发表于:2019-01-02 / 阅读(95) / 评论(0)

60秒科学

电信专业英英词典F-3

补充： FAQ - An acronym for Frequently Asked Questions. FAQs are online documents that list and answer the most common questions on a particular subject. Federal Excise Tax - A 3% tax mandated by t

发表于:2019-01-03 / 阅读(36) / 评论(0)

电信英语

SSS 2009-10-06

The Nobel Prize in physics goes to Charles Kao, of Standard Communications Labs in England and the Chinese University of Hong Kong, and George Smith and Willard Boyle of Bell Labs in New Jersey. Kao figured out how to transmit light over long distanc

发表于:2019-01-08 / 阅读(62) / 评论(0)

Scientific American(十)月

TED演讲:人如果不喝水会怎么样(3)

For a long time, conventional wisdom said that we should drink eight glasses a day. 长久以来，一般观念都认为我们每天要喝8杯水， That estimate has since been fine-tuned. 但这个数据已被重新调整过。 Now, the consensus i

发表于:2019-01-08 / 阅读(51) / 评论(0)

TED演讲教育篇

AS IT IS 2016-08-25 For People Too Busy to Garden, FarmBot Can Help

AS IT IS 2016-08-25 For People Too Busy to Garden, FarmBot Can Help In a small home garden, about 1.5 meters wide and 3 meters long, a robotic device called the FarmBot is busy planting vegetable seeds. The FarmBot will control the soils moisture, wa

发表于:2019-01-12 / 阅读(69) / 评论(0)

2016年VOA慢速英语(八)月

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