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(221) / 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(120) / 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(186) / 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(130) / 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(132) / 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(87) / 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(104) / 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(139) / 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(165) / 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(137) / 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(134) / 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(145) / 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(104) / 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(123) / 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(129) / 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(121) / 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(122) / 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(187) / 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(143) / 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(222) / 评论(0) 分类 音乐咖啡厅
学英语单词
agnea
agronsky
aid dome
alternate-interior angle
armbones
as black as a sweep
atomic number 69s
baby bonds
bedusts
best plough steel wire
bloody
bristo
bronchitides
bsnt(backward sequence number to be transmitted)
calparine
carnyx
collective-efficacy
communications control language file
crossapol b.
crossband
curvilinear regulation circuit
ddr-schiffs-revision und klassifikation (dsrk)
deathwards
decussatin
Deep Sea Drilling Project
deguyse
demormity
despised
disability clause
distichophyllum collenchymatosum
Edward Sapir
enlist
everpresent
fan draft
Five Dynasties
gametic nuclei
general electric comprehensive operating system
high wax oil
kubin
lead amalgam
lead curtain of chamber
leafcutters
Little Tennessee R.
lochnager
long filenames
Lonicera maximowiczii
loppering
make a diversion
makes an experiment in
management buy-out
mesospiracles
micropressure
migratory cells
multi flame forch
musa gracilis hort.
neoaspergillic acid
noncorrect
nonforeclosure
nonsalutary
nuclei magnocellularis
nwps
oil filtering unit
ornithophilous pollination
pending question
perspective figure
pfannkuchens
Pittsburgh tank furnace
pohlia graciliformis(card.et ther)chen
political line
potential troughs
Primorskiy Khrebet
process system
protein intron
Ramus marginalis mandibularis
rancidities
rearranged twills
Rejsby
release paper (composite)
Rouseville
Royal Military Academy
run-time license
semeld
set systems
source string
specific acoustic resistance
speed-range
St Patrick's Cathedral
steel reinforced aluminum wire
stichera
subcutaneous nodules
supercritical transferred electron amplifier
tokmari seed
triacetoxyborohydrides
trunnion bearing rollers
uprush
vacuum for suction
ventilation device of kiln
vermiform appendix
waiver of requirement
water-cooled all quartz reaction chamber
weedily
yield point jog