代位原子

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(169) / 评论(0) 分类 疯狂英语2003年

One of the leading researchers in the field of protein folding is David Baker of the University of Washington, in Seattle. 西雅图华盛顿大学的David Baker是蛋白质折叠领域研究者的领军人物之一。 For the past 20 years he and hi

发表于:2018-12-05 / 阅读(113) / 评论(0) 分类 经济学人科技系列

You probably already know everything is made up of little tiny things called atoms 你也许已经知道所有的东西都是由微小的原子组成。 You might even know that each atom is made up of even smaller particles called protons, neutrons

发表于:2018-12-08 / 阅读(80) / 评论(0) 分类 TED演讲教育篇

[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(83) / 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(135) / 评论(0) 分类 雅思英语

This is scientific Americans 60 Second Science. I'm Steve Mirskey. Got a minute? The lure of gold can be electric to some people even though the element is chemically inert on the large scale. But the researchers from Georgia Tech report that down at

发表于:2019-01-04 / 阅读(127) / 评论(0) 分类 Scientific American(三)月

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(62) / 评论(0) 分类 英语美文

Two hearts beating together 两颗心跃动相同的频率 Two bodies just one soul in search of each other 栖息在两个躯体的同一灵魂寻求彼岸的共鸣 They said it couldnt happen 人们都说这不可能成真 But we broke all the odds

发表于:2019-01-10 / 阅读(91) / 评论(0) 分类 听歌学英语

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(96) / 评论(0) 分类 阅读空间

Fierce fighting has broken out in Somalia's semi-autonomous state of Puntland, as the government mounts an offensive to drive out Islamist forces accused of destabilizing the region. Attacks in the region took place near Bosaso, in the western Bari r

发表于:2019-01-13 / 阅读(67) / 评论(0) 分类 VOA标准英语2010年(七)月

Lesson Sixteen 听力部分 Dialogue Completion: Listen to the tape repeatedly and try to complete the following dialogues, using the exact words or phrases that you hear on the tape. A Man: Hi, you know. I get the_____feeling that I am _____ . Woman

发表于:2019-01-14 / 阅读(129) / 评论(0) 分类 王强口语 第二册

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(94) / 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(76) / 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(94) / 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(71) / 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(81) / 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(84) / 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(82) / 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(83) / 评论(0) 分类 实用英语

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(97) / 评论(0) 分类 英语口语
学英语单词
accordion-based
antonyms
atmospheric turbidity
Austrian winter pea
automatic reel hub
average and range chart
Balkan League
bimetal rod
by tut
cana (spain)
cancel something out
changes in law and practice
claim agents
close in method
contact pattern
contiguous pair
cotentin peninsula
counterbonds
domestic animal transportation insurance
dougrays
duggar
East African province
el-sherbeeny
electronic power frequency control system
Escherichia paragrunthali
excessive steam pressure
exodic nerve
external pile
FCEV
finite filter length effect
flashquenching
Frei-Hoffman reaction
genetic psychology
Haiyān er Ruweibid
hang dyeing
Human Machine Interface
hypospermia
inrosidine
kaczmareks
lacquer varnish
laminar layer control
law of statistical constancy
lenticulothalamic
line leakage
loanings
Mahia
measure of linear correlation
meso-regional distribution of soils
method of redundant reaction
Microsoft Expression
mitre caisson
monsignor
moold
multiton patterns
national information control center
navigation warning broadcasts by radio telex service
New Orleanians
nitrative
nonarchitecture
normal monocardiogram
on lending
oscillogram trace reader
overdigestion
overdirects
pannus hepaticus
pelvic inflammatory disease
phosphor dot trio
protovirus theory
pseudocholinestrasedeficiency
push-pull control cable
quadripinnate
rail tank car
RDONLY
rhizophagy
rupture de pente
satellite network
scarlet hamelias
schweikardt
short-term exposure limit
sieve mesh number
soap plates cooling plant
sodium materials/devices
spell it
stone-works
substantive requirements of form
summercaters
tangential feed method grinding
Tattersall's
televoters
Tomes' process
toroidal liner
triangular trade
uncoupling device
upward social comparison
uterine cervixes
verification and checkout equipment
virom crosome
well-meriteds
work song
working liabilities
xanthopsy
Zinn