[化] 超量原子百分数

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(290) / 评论(0) 分类 疯狂英语2003年

[00:00.00]Reinsurance in property and liability insurance [00:03.58]There are two essential ways in which risk is shared under reinsurance agreements in the field of property and liabity insurance. [00:12.09]The reinsurance agreements may repuire the

发表于:2018-12-05 / 阅读(322) / 评论(0) 分类 保险英语

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(190) / 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(175) / 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(234) / 评论(0) 分类 雅思英语

Part One 听辨练习 A. 词辨音 Listen, circle the corresponding number if you hear /???in the word. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. B. 短语辨音 Write down the words you hear on the tape, then f

发表于:2018-12-24 / 阅读(228) / 评论(0) 分类 4+1听力口语MP3

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(222) / 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(148) / 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(189) / 评论(0) 分类 阅读空间

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(206) / 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(204) / 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(201) / 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(158) / 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(175) / 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(194) / 评论(0) 分类 万物简史

By Arjun Kohli Nairobi 06 July 2007 Cattle-herding nomads from western Kenya confirm United Nations and aid agency reports that forces of the Ugandan army are using helicopter gunships and mortar against communities living on the Kenya-Uganda border.

发表于:2019-01-30 / 阅读(240) / 评论(0) 分类 2007年VOA标准英语(七月)

Until recently daydreaming was generally considered either a waste of time or a symptom of neurotic tendencies, and habitual daydreaming was regarded as evidence of maladjustment or an escape from lifes realities and responsibilities. It was believed

发表于:2019-02-03 / 阅读(241) / 评论(0) 分类 实用英语

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(168) / 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(166) / 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(186) / 评论(0) 分类 英语口语
学英语单词
air brush
arcata
articular sclerate
attenuant
bigamic marriage
break a fall
caffeoylquinate
cam bearing sleeve
cause a stink
celiac infantilism
Chippeway
Colchis
collations
come into his own
cupola marker lamp
decerping
delivery instructions
diffusion front
diloricate
disheartening
distinguishingly
Doňa Juana
drive-pin blind rivet
dynamic cross call
dynamical system
ear piercing
electrical insulating property
Elictognathus
epiplatform
europium picture tube
evase stack
facial muscles
fall of leaf
filter output stream class
flourescent dye
flow boiling crisis
Four Modernizations
futures exchange company
genus pholiss
grabbing floating crane
hennessey
hexofuranoses
hossin'
illegal file name
immaculates
inventory control point
isotiqoimide
lamellar layer
leppy
Leucophyllite
matchrooms
mechanical irritant
metal hot dipping
Millers ovum
miscorrelate
mondhaldeite
moneyletter
motorgenerator
myocentric
naphthylidene
neo-arthrosis
nerolin
nico-teen
nicotinergic receptor
noise test
non drip
nonfluxional
Old Contemptibles
overall ability
phase velocity of transmission mode
pinchforce
Plica triangularis
redeye flights
redundant coding
reflection constant
reimboss
rostrate pelvis
salt sth away
secondary wood
semimirror nuclei
serir
si conversion factor
similarly isomorphic
speculative efficiency hypothesis
stock index futures contract
surface-to-surface missile (ssm)
symbiotic bacteria
tea room
telescope box
the garden of kama
three-martini luncheon
timber marking
true position tolerance
unvoluntary muscle
upconcentrated
voice-grade service
wamel
wave constant
weakly cardinal
win a distinction for
wordmakers