有效裂变中子产率

英语励志美文精华 31

We Cant Just Play with sports I believe that the greatest frontier of our ignorance lies in the relationship of man to man. I do not discount in the marvelous development in the world of things, nor do I devaluate the contributions of those who made

发表于:2018-11-30 / 阅读(138) / 评论(0)

英语励志美文精华

用Mp3背六级单词054

measurement slave unlimited invert symmetrical lessen lever hip liability overlook thresh tensile vision likeness steady siege fission limp line linear vein commence obscure

发表于:2018-12-01 / 阅读(98) / 评论(0)

用Mp3背六级单词

VOA慢速英语1500基础单词例句zmore words

a lot of [much or many] We had a lot of rain. carry out [to do; to put into effect] Please carry out the plan. pass a bill [approve] Congress is expected to pass a bill to cut taxes. take steps [to start to do something] The government will take step

发表于:2018-12-01 / 阅读(139) / 评论(0)

VOA慢速英语1500基础单词例句

第3期: even, yield, model, weary, real

说一口流利的英语，从简单的单词开始。听听，读读，背背，今天你的词汇量又增加了5个。单词/词义中英例句单词听读 even It's even colder than yesterday.

发表于:2018-12-05 / 阅读(108) / 评论(0)

每日攻克5词

VOA慢速英语2014 核聚变反应堆会很快推出？

Is a Fusion Nuclear Reactor Coming Soon? 核聚变反应堆会很快推出？美国科技组织的洛克基德马丁称五年内，将会建成一个核聚变反应堆。他说预计到2017年能呈现一个操作雏形，到2022年，就能够投入使

发表于:2018-12-08 / 阅读(88) / 评论(0)

2014年VOA慢速英语(十二)月

VOA常速英语2018--美国宇航局测试用于载人火星任务的核电力系统

NASA Tests Power System to Support Manned Missions to Mars United States government agencies say the first tests of a very small nuclear power system designed for missions to Mars have been successful. 美国政府机构表示，为火星任务设计的

发表于:2018-12-08 / 阅读(109) / 评论(0)

VOA标准英语2018年(一月)

美国有线新闻 CNN 朝鲜宣布成功进行氢弹试验威力远大于前

Once again, North Korea has defied international demands to give up its nuclear and missile programs. They're illegal, as far as the United Nations is concerned. They're a right as far as North Korea is concerned. And the communist country said on Su

发表于:2018-12-20 / 阅读(61) / 评论(0)

CNN美国有线新闻2017年9月

VOA慢速英语2017 世界上第一个核聚变反应堆已完成50%

World's First Nuclear Fusion Reactor 50 Percent Complete At the Geneva Superpower Summit in November 1985, American President Ronald Reagan met with the Soviet Union's General Secretary Mikhail Gorbachev. 在1985年11月的日内瓦超级大国首脑会

发表于:2019-01-03 / 阅读(63) / 评论(0)

2018年VOA慢速英语(一)月

电影歌曲:《暮光3:月食》主题曲Neutron Star Collis

Neutron Star Collision (Love is Forever)---MUSE I was searching You were on a mission Then our hearts combined like A neutron star collision I have nothing left to lose You took your time to choose Then we told each other With no trace of fear that..

发表于:2019-01-03 / 阅读(96) / 评论(0)

电影歌曲

英语歌曲:暮光3:月食主题曲-Neutron Star Collision

《暮光3:月食》高清主题曲Neutron Star Collision Neutron Star Collision (Love is Forever)---MUSE I was searching You were on a mission Then our hearts combined like A neutron star collision I have nothing left to lose You took your time to c

发表于:2019-01-03 / 阅读(118) / 评论(0)

电影英文歌曲

如何做一次好的演讲

Whether youre giving a toast, presenting a project, or delivering a doomsday warning, these tips will help you look like less of an amateur during your speech. Most of us dont like giving speeches. Unfortunately, sometimes theres no way to weasel out

发表于:2019-01-08 / 阅读(108) / 评论(0)

英语小短文

与美国小学生一起学英文第8册第10期:虾

Shrimp 虾 Is shrimp your favorite seafood? 虾是你最喜爱的海产品吗 People love shrimp a lot. 人们非常喜欢虾。 But do you know that fission whales like shrimp, too? 但是你知道裂变鲸也喜欢虾吗？ Female shrimp hatch 50,0

发表于:2019-01-10 / 阅读(79) / 评论(0)

与美国小学生一起学英文第8册

VOA慢速英语2015 美国称赞伊朗核协议的同时其他国家表示担忧

US Praises Nuclear Deal with Iran, Others Concerned 美国称赞伊朗核协议的同时其他国家表示担忧 The deal between Iran and six world powers to place limits on Irans nuclear program has brought reactions from cheers to alarm around the

发表于:2019-01-12 / 阅读(59) / 评论(0)

2015年VOA慢速英语(四)月

VOA慢速英语2016 朝鲜声称进行了氢弹测试

AS IT IS 2016-01-07 North Korea Says It Tested Hydrogen Bomb 朝鲜声称进行了氢弹测试 North Korea says it tested a hydrogen bomb on Wednesday. 朝鲜声称周三测试爆炸了一枚氢弹。 The U.S. Geological Survey reported a 5.1 magnitu

发表于:2019-01-12 / 阅读(65) / 评论(0)

2016年VOA慢速英语(一)月

美国国家公共电台 NPR Astronomers Strike Gravitational Gold In Colliding Neutron Stars

MARY LOUISE KELLY, HOST: For the first time, scientists have seen the violent collision of two neutron stars. They've watched as heavy elements like gold, platinum and uranium were forged. This cosmic smashup is being hailed as one of the biggest eve

发表于:2019-01-16 / 阅读(84) / 评论(0)

2017年NPR美国国家公共电台10月

2015年CRI ＂Reactor Relevant＂ Fusion, a Potential Game Changer in Energy Production

Fusion is how stars produce energy. It occurs when the nuclei of light atoms, such as hydrogen, are fused together under extreme pressure and heat. Tokamak Energy, from Oxfordshire, believes that the third version of their compact, spherical tokamak

发表于:2019-01-17 / 阅读(121) / 评论(0)

2015CRI中国国际广播电台

科学美国人60秒 SSS Photonic Chip Could Strengthen Smartphone Encryption

Random numbers are hugely important for modern computing. They're used to encrypt credit card numbers and emails. To inject randomness into online gaming. And to simulate super complex phenomena, like protein folding or nuclear fission. But here's th

发表于:2019-01-20 / 阅读(75) / 评论(0)

2016年Scientific American(九)月

最糟糕的五种理财方式

You know the smartest things to do with your money. But what are the worst moves? What should you avoid? 自己的钱该怎么打理才最明智，对此你一定心知肚明。但是你知道最糟糕的做法是什么吗？哪些是你应该避免的

发表于:2019-02-02 / 阅读(83) / 评论(0)

英语美文

英语词汇分类：核能

A-bomb, atomic bomb 原子弹 absorption 吸收 to accelerate 加速 accelerating chamber 加速室 accelerator 加速器 synchrocyclotron 同步回旋加速器 synchrotron 同步加速器 betatron 电子

发表于:2019-02-03 / 阅读(90) / 评论(0)

英文语法词汇

万物简史第203期:威力巨大的原子(17)

Meanwhile the tireless Rutherford, now back at Cambridge as J. J. Thomson's successor as head of the Cavendish Laboratory, came up with a model that explained why the nuclei didn't blow up. He saw that they must be offset by some type of neutralizing

发表于:2019-02-17 / 阅读(68) / 评论(0)

万物简史

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a-homered

acute bacillary dysentery