始裂变截面

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(269) / 评论(0) 分类 英语励志美文精华

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(208) / 评论(0) 分类 用Mp3背六级单词

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(217) / 评论(0) 分类 VOA慢速英语1500基础单词例句

Launching an Initial Public Offering Zoe: What are you looking at? Midas: Its the prospectus for Boogles IPO. I wish I could get in on the initial public offering, but since I cant, Ill buy stock as soon as the company becomes publicly traded. Zoe: I

发表于:2018-12-03 / 阅读(192) / 评论(0) 分类 2014年ESL之商务英语

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(154) / 评论(0) 分类 2014年VOA慢速英语(十二)月

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(197) / 评论(0) 分类 VOA标准英语2018年(一月)

Its five years old. 它五岁了 'Now remember boys and girls,' said the science teacher. 'You can tell a tree's age by counting the rings in a cross section. one ring for each year.' Tom went home for dinner and found they were having a jelly roll f

发表于:2018-12-18 / 阅读(128) / 评论(0) 分类 TED演讲国际问题篇

World First Aid Day started in the year 2000. The International Federation of Red Cross and Red Crescent Societies (IFRC) introduced it to raise global awareness of how first aid can save people's lives in everyday situations. It occurs on the second

发表于:2018-12-29 / 阅读(125) / 评论(0) 分类 世界节假日博览

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(141) / 评论(0) 分类 2018年VOA慢速英语(一)月

面对面的交流就是 face to face,许多人认为这样的沟通效果和电话上或网上联系是不一样的。 例句 I've been in touch with my niece, who was born in South America, for years but we have never met face to face. One way of

发表于:2019-01-08 / 阅读(154) / 评论(0) 分类 英语日常口语

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(177) / 评论(0) 分类 英语小短文

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(153) / 评论(0) 分类 与美国小学生一起学英文第8册

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(130) / 评论(0) 分类 2015年VOA慢速英语(四)月

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(150) / 评论(0) 分类 2016年VOA慢速英语(一)月

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(222) / 评论(0) 分类 2015CRI中国国际广播电台

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(144) / 评论(0) 分类 2016年Scientific American(九)月

今天我们要学的词是initial。 Initial, 意思是初步的,初始的。 Initial result初步结果。 Initial reaction初步反应。美、英、法联军为落实禁飞区对利比亚实行空中打击后,军方高级将领说, The init

发表于:2019-02-02 / 阅读(152) / 评论(0) 分类 英语单词荟萃

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(172) / 评论(0) 分类 英文语法词汇

Pre-Listening Vocabulary observation: something that you see cross section: a view of the inside of something after a cut has been made across it hold true: remain a fact or truth even in other situations ideal: suitable sap: fluid (sugar and mineral

发表于:2019-02-08 / 阅读(375) / 评论(0) 分类 Facts-事实

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(147) / 评论(0) 分类 万物简史
学英语单词
Abragao
actinophones
aloe saponaria
and a little over
antique-and-curio shelves
asparaguslike
automated logical data base design
baby show
Ban Pak Ngao
baric
blank end
block-overthrusting
Boltzmann superposition principle
Bundt
capacity for heat
carbon grain microphone
cement asbestos board
cement mortar key
Chinese holly leaf
chlorination of water
colectivo
connect america fund
continuous surface broaching machine
cossa
curriculums
dendritic tumor
Dithiazid
double furrow
efferent cranial nerves
eldress
exostosis multiplex
faithfully yours
field formatted system service
fluoroalanine
forgiving
fragile disc
friendly numbers
gain-phase analysis
generate code
globular-cluster
good result efficacy
goodby, good-bys
grill flooring
Hellenic language
Holcus mollis
imaginary modulus
incarnatin
journal-star
kahu
key pal
Lindberg Act
look-ing
microminiaturisation
milking pail
motion rate
mould wall
newly-opened
noneducational
nonlottery
ocellar nerve
offlined
orifice (flow)meter
palaeophytosynecology
pendet
precipitator chamber
preconveyance
predefined format
preedited
profile iron
prototypal
pyemic
pythium arrhenomanes
razzie
simpleharmonic
single frequency
single-parameter control
Siphncus
somatoderm
stand pipe
star dust
steaming with the sea on the bow
submarine caldron
supercenters
taffeta checked
taphouse
Tiberius Claudius Drusus Nero Germanicus
training wall
transfecting
twelve-notes scale
two dimensional wing
underdressed
unrealized exchange gain or loss
unsample
unsecretness
unshrinkable wool
unsympathized
walkover seat
wet electrode
whitening stone
Yamoussoukro, Dép.de
zero-length buffer
zosimoes