放射性异常

美联社新闻一分钟 AP 2013-12-22

This pump has been changed out before. This is the starboard side. Back in August of 2010, we did a pump rr for a different failure. That was actually a failure of the pump. This is a valve inside the pump module itself. And so, this particular pump

发表于:2018-12-15 / 阅读(267) / 评论(0)

美联社新闻一分钟2013(十二月)

英语听力—环球英语 1456 Life in the Chernobyl Zone

Voice 1 Welcome to Spotlight. Im Ryan Geertsma. Voice 2 And Im Anne Muir. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 3 You have got to go in spring. I

发表于:2018-12-19 / 阅读(244) / 评论(0)

环球英语 Spotlight

人教高中英语高二下UNIT12-3

MR CAVORS FLYING MACHINE When I first met Mr Cavor, he was about to finish building the machine in which he planned to travel to the moon. As it had neither wings nor an engine, I was amazed and asked him how his machine could fly. The secret lay in

发表于:2018-12-29 / 阅读(277) / 评论(0)

人教高中英语高二

高中英语第二册课本朗读12-work

Mr Cavors Flying Machine When I first met Mr Cavor, he was about to finish building the machine in which he planned to travel to the moon．As it had neither wings nor an engine，I was amazed and asked him how his machine could fly．The secret lay

发表于:2019-01-09 / 阅读(385) / 评论(0)

高中英语听力人教版第二册

英语听力：自然百科地球力场 Earth's Force Field—3

In polar regions where the magnetic field is / weakest, auroras glow in the sky. These dazzling displays of colored lights form when solar particles slam into gases in our atmosphere causing them to glow. The stronger the solar wind, the more dramati

发表于:2019-01-22 / 阅读(225) / 评论(0)

自然百科2011年

英语听力：自然百科地球力场 Earth's Force Field—11

Blockson's computer model reveals that at the South Atlantic Anomaly, the magnetic field isn't just weaker than anywhere else on the planet. It's actually reversed polarity. There is a patch on the core in the South Atlantic where things are not poin

发表于:2019-01-22 / 阅读(184) / 评论(0)

自然百科2011年

万物简史第151期:基本物质(23)

In the spring of 1904, Rutherford traveled to London to give a lecture at the Royal Institutionthe august organization founded by Count von Rumford only 105 years before, though that powdery and periwigged age now seemed a distant eon compared with t

发表于:2019-01-29 / 阅读(186) / 评论(0)

万物简史

维珍飞船沙漠坠毁 “太空一游”需25万美元

LOS ANGELES, Oct. 31 (Xinhua) -- A passenger rocket plane developed by Virgin Galactic's crashed on Friday after suffering an in-flight anomaly during a powered test flight over the U.S. state of California, the commercial company said on Twitter. 新华

发表于:2019-02-05 / 阅读(255) / 评论(0)

英语新闻

Nuclear-Contaminated Beef Scare Spreads in Japan

A scare in Japan over beef contaminated with radioactivity spread on Sunday, with more areas of the country reporting tainted meat. Japanese media say meat from 132 cattle that ate straw contaminated with extremely high levels of radioactive cesium h

发表于:2019-02-18 / 阅读(170) / 评论(0)

英语新闻

听电影学英语-生活大爆炸第一季 11．The Pancake Batter Anomaly(面糊异常): Sheldon感冒事件

[00:27.68]checkmate 将军! [00:32.28]again?! 又来?! [00:32.64]Obviously,you're not well suited for three-dimensional chess. 很显然你不适合玩三维国际象棋 [00:36.84]Perhaps three-dimensional candy land would be more your speed. 你的水

发表于:2019-03-16 / 阅读(427) / 评论(0)

听电影学英语-生活大爆炸

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学英语单词

back-scattering thickness gage

barbur