光子激发原子

A Century of Memories (1940-1949) On the first Sunday in December 1941, Americans were doing what Americans did on any normal Sunday.

发表于:2018-11-28 / 阅读(138) / 评论(0) 分类 疯狂英语2003年

[00:00.00]Lesson 4 Atom [00:01.95]原子 [00:03.89]The really strange thing about atoms is that most of us will never see one. [00:08.87]原子最奇特之处在于绝大多数人永远也无法看到它。 [00:13.84]Atoms are so small that it's impo

发表于:2018-12-08 / 阅读(61) / 评论(0) 分类 赖世雄学英语第四册

雅思听力场景词汇:化学词汇 在雅思听力考试场景中,化学相关的场景的词汇较为生涩,平时生活中可能也运用得比较少,以下的词汇供大家参考喔。 molecule 分子 particle 粒子 ion 离子 particle

发表于:2018-12-19 / 阅读(111) / 评论(0) 分类 雅思英语

Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of

发表于:2018-12-24 / 阅读(60) / 评论(0) 分类 2015年Scientific American(一)月

A nightlight may keep those monsters under the bed. But it may also open the door to the blues. Because a new study reveals that animals exposed to light all night long show signs of clinical depression. If you have access to electricity, you no doub

发表于:2018-12-24 / 阅读(71) / 评论(0) 分类 Scientific American(十)月

Amy: You know what? I'm done with this. Sheldon: W-Where are you going? Amy: I'm leaving. Sheldon: You can't leave. I need you. Amy: You do? Sheldon: Yes. You're my ride. (the vehicle used for transportation: I've got to hang up nowmy ride's here.) A

发表于:2018-12-28 / 阅读(42) / 评论(0) 分类 跟着美剧练发音

We have bigger houses and smaller families; more conveniences, but less time; we have more degrees, but less common sense; more knowledge, but less judgement; more experts, but more problems; more medicine, but less wellness. We have multiplied our p

发表于:2019-01-08 / 阅读(47) / 评论(0) 分类 英语美文

We have multiplied our possessions, but reduced our values. We talk too much, love too little and lie too often. We've learned how to make a living, but not a life; we've added years to life, not life to years. We have taller buildings, but shorter t

发表于:2019-01-11 / 阅读(74) / 评论(0) 分类 阅读空间

DAVID GREENE, HOST: I mean, let's listen to this. (SOUNDBITE OF TV SHOW, STAR TREK: THE ORIGINAL SERIES) JAMES DOOHAN: (As Captain Montgomery Scott) Ready to transport. WILLIAM SHATNER: (As Captain James T. Kirk) Energize. D. GREENE: Yes, the familia

发表于:2019-01-16 / 阅读(109) / 评论(0) 分类 2017年NPR美国国家公共电台7月

But this still doesn't explain why light is able to pass through glass rather than being absorbed as with most solids. 但是这还是不能解释为什么光可以穿透玻璃而不是像其他大多固体那样被吸收。 For that, we need to go a

发表于:2019-01-17 / 阅读(70) / 评论(0) 分类 TED演讲教育篇

(一)a is n times as small (light,slow,)as b. a is n times smaller (lighter, slower,) than b. 以上两句均应译为:a的大小(重量,速度,)是b的1/n[或a比b小(轻,慢,)(n-1)/n]. e.g. The hydrogen atom is near1y l6 times as

发表于:2019-01-17 / 阅读(56) / 评论(0) 分类 英语口译

英语中表示倍数减少的表达方法(一)a is n times as small (light,slow,)as b. a is n times smaller (lighter, slower,) than b. 以上两句均应译为:a的大小(重量,速度,)是b的1/n[或a比b小(轻,慢,)(n-1)/n]. e.g

发表于:2019-01-17 / 阅读(68) / 评论(0) 分类 英语口译

Science and Technology Fundamental physics Antimatter of fact 科技 基础物理 反物质研究突飞猛进 Researchers at CERN have held on to anti-atoms for a full quarter of an hour 欧洲核子研究中心的科研人员让反原子颗粒存在时

发表于:2019-01-26 / 阅读(47) / 评论(0) 分类 经济学人科技系列

Fortunately more sober types were at work elsewhere. In 1808, a dour Quaker named John Dalton became the first person to intimate the nature of an atom (progress that will be discussed more completely a little further on), and in 1811 an Italian with

发表于:2019-01-29 / 阅读(59) / 评论(0) 分类 万物简史

The structure of atoms and the significance of protons will come in a following chapter, so for the moment all that is necessary is to appreciate the organizing principle: hydrogen has just one proton, and so it has an atomic number of one and comes

发表于:2019-01-29 / 阅读(57) / 评论(0) 分类 万物简史

WASHINGTON, May 1 (Xinhua) -- Scientists from IBM on Wednesday unveiled the world's smallest movie, made with one of the tiniest elements in the universe: atoms. Named A Boy and His Atom, the movie used thousands of precisely placed atoms to create n

发表于:2019-02-04 / 阅读(59) / 评论(0) 分类 英语新闻

俗话说:一母生九子,九子各不同。这句话在我邻居家孩子的身上体现得淋漓尽致。大女儿心灵手巧,做什么像什么;而二女儿却刚好相反,总是笨手笨脚。All thumbs就用来形容她这种笨手笨脚

发表于:2019-02-06 / 阅读(56) / 评论(0) 分类 实用英语

Lesson 366 I'm so excited! 1.I'm so excited!我真是太兴奋啦! 2.Don't get excited!别激动! 3.Don't excite yourself!你冷静点! 4.The children are very excited.孩子们都很激动。 5.What are you so excited about?什么事让你如此

发表于:2019-02-12 / 阅读(120) / 评论(0) 分类 辛沛沛NO-BOOK 辛沛沛傻瓜机口语极短句

1.心事重重 some thing weighs heavily on ones mind The boss is quite down these days. He seems to have something weighing heavily on his mind. 老板这几天沉默寡言,看起来好像是心事重重的 2.苦苦哀求 press ones suit She press

发表于:2019-02-19 / 阅读(69) / 评论(0) 分类 英语口语

音乐咖啡厅:Alesha Dixon - Let's Get Excited 相关介绍 :英国RB三人女子组合Mis-Teeq*的前主唱Alesha Dixon去年在英国的舞林大赛中最后取胜而炒起的人气依然够旺。多年前,由Alesha Dixon、Su-Elise Nash 以及

发表于:2019-03-07 / 阅读(149) / 评论(0) 分类 音乐咖啡厅
学英语单词
167
a meeting of the minds
Abeliophyllum
administrative crime
ageing bleach method
Angada
antagonistic phenomenon
Aplodontia rufa
Barberena
bellevue
belly-button
bolus alba
books (text) online
Bromus carinatus
building industrialization
cameo light
cane roller
carbon steel rail
card checking
commissioning of individual system
connodals
control hub
critical appraisal skill
cyclically perverse
daily sperm output
dhar tichit
diacetonuria
egames
eliminating mass
epicanthuss
exteral perihaemal canal
factoring costs
false mitrewort
ferrowollastonite
flare groove weld
genetically modified food
grizzly chute
ground based scanning
HVFP
hypergamic
Jill-of-all-trades
juliana lilac
kirkgate
land equalization system
laverie
lion s provider
little sibs
local port level
mark counter
Marmota monax
meningiocele
microprogrammed sequencer
Microsoft Knowledge Base
mortar fruit
mouse technology
muck raise
near-trace section
nonschool education
oil-fired station
Olonka
Omphalomonodidymy
orbital test satellite
pacific ocean perch
phlebographic
portable extinguisher
prekeratin
qualifying licensing examination
quantitative vision
Reges
Rhodocyclus
rotary rake
RScA
Ruukki
scandalisation
schumake
secondary transition temperature
SET protocol
sodium silrcate
solid impurity
span of coil
sq.ft
stalth
stichopilium rapaeformis
symmetrized winding
system-space parameter
tail lamp base
technological processes
thermo-chemistry
thomasii
toy shop
transplacental transmission
turify
Ulanova
ultrasonically activated extruder
univalent hydrocarbons
upper colonnade
Viet Minh
vocoid
wending
world-leadings
Yandang
zero span tensile tester