镜X光显微镜

王强英语美文 25-Mirror,Mirror-What do I See

Mirror, Mirror---What do I See? A loving person lives in a loving world. A hostile person lives in a hostile world. Everyone you meet is your mirror. Mirrors have a very particular function. They reflect the image in front of them. Just as a physical

发表于:2018-11-30 / 阅读(496) / 评论(0)

王强英语美文

Scientists Expect ‘Unexpected’ from Largest Ground-based Telescope

Scientists Expect Unexpected from Largest Ground-based Telescope The mirror of the Hubble Space Telescope that gave the world stunning pictures of deep space is about 4.5 square meters. Compare that with the primary mirror of the James Webb Space Tel

发表于:2018-12-16 / 阅读(39) / 评论(0)

VOA标准英语2016年(五月)

Mirror Of Truth

There was a Mirror of Truth that if you stood in front of it and told a lie it would suck you into it never to be seen again. A very ugly man stood in front of it at declared.. Mirror of Truth.. I think I'm the handsomest man alive and...Swoooop! he

发表于:2019-01-07 / 阅读(66) / 评论(0)

趣味英语

VOA慢速英语2011--Is NASA’s James Webb Space Telescope a

Technology Report - Is NASAs James Webb Space Telescope a Time Machine? This is the VOA Special English Technology Report. If you could build a time machine, what would it look like? Maybe, it should look like a telescope. American scientists are bui

发表于:2019-01-12 / 阅读(48) / 评论(0)

2011年VOA慢速英语(五)月

X-ray

A young girl was told she needed an X-ray. She went in and seemed especially nervous. When she came out of the X-ray room, she told her mother, They took a picture of my bones.Yes, dear, replied the mother. Did everything go all right?Sure, said the

发表于:2019-02-07 / 阅读(83) / 评论(0)

趣味英语

科学美国人60秒 SSS Building a Better Mirror for Telescopes

Building a Better Mirror for Telescopes 为望远镜打造更优质镜面 To study the heavens, it's all about the photons. We in astronomy are always greedy. We want every photon we can collect. Drew Phillips, astronomer at University of California

发表于:2019-03-15 / 阅读(200) / 评论(0)

2017年Scientific American(九)月

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akhsharumov

antiaircraft ammunition

Arnold Lucius Gesell

away match

back-scatter soil density gauge

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battery farms

Bled, Lake

blogettes

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