内重效应原子

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(374) / 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(275) / 评论(0) 分类 赖世雄学英语第四册

By Nancy Steinbach Broadcast: November 19, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. When scientists want to test the effectiveness of a new drug, they usually divide

发表于:2018-12-15 / 阅读(320) / 评论(0) 分类 VOA2003(下)-环境与健康

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(372) / 评论(0) 分类 雅思英语

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(224) / 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(296) / 评论(0) 分类 阅读空间

By Gary Thomas Washington 22 August 2007 The Central Intelligence Agency has released a report sharply critical of the CIA's senior leadership in the years and months leading up to the terrorist attacks of September 11, 2001. As VOA correspondent Gar

发表于:2019-01-13 / 阅读(408) / 评论(0) 分类 2007年VOA标准英语(八月)

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(309) / 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(336) / 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(328) / 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(272) / 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(294) / 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(300) / 评论(0) 分类 万物简史

By Ravi Khanna Washington 09 November 2007 The current political turmoil in Pakistan has raised concerns in Washington that the Pakistani government is no longer focused on battling Islamic militants and it is making the country an even safer haven f

发表于:2019-01-30 / 阅读(328) / 评论(0) 分类 VOA常速英语2007年(十一月)

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(303) / 评论(0) 分类 英语新闻

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-05 / 阅读(324) / 评论(0) 分类 英语每日一词

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(270) / 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(296) / 评论(0) 分类 英语口语

China Meteorological Administration says the ongoing El Nino effect, which has been hitting its peak over the past year-and-a-half, is likely to come to an end this month. However, Zhou Bing, a senior engineer from China's National Climate Center say

发表于:2019-03-04 / 阅读(289) / 评论(0) 分类 2016CRI中国国际广播电台

今天我们要学的词是 internal. Internal 形容词,内部的。Britain's MI5 has begun an internal review of how it handled intelligence on the Manchester suicide bomber. 英国军情五处开始展开内部审查,看军情五处对所掌握的

发表于:2019-03-07 / 阅读(412) / 评论(0) 分类 英语单词荟萃
学英语单词
abdomen phantom
abingdon law
Acetovanillone
agglutination tests
Ausservillgraten
Bagaroua
basic electric steel
be beneficial to
belly of the beast
bunny girls
bursting charges
calendar view
camera lens projection
cantral terminal unit
capital of Western Samoa
ceratium extensum
Chamaepericlymenum canadense
circumflex femoral veins
comorin, cape
continuous current
controlled quenching
copper-constantan thermocouple
crois? devant
culture exchange
cyanizide
cypraea boivinii
dadey
Dana's operation
demonomists
differential of an analytic homomorphism
dihydrotestosterone (dht)
donation account
drawing of seeds
endoerythrocytic
erbil
erlanfels
esophagism
ethanolurea
event driven processes
fanning loss
frond-
genito-ventral shield
gentleman cow
gianneschi
gilofer
glomps
go adrift
go forth into
group incentive system
haouari
icosaedrum
immobilisings
industrial air conditioning
insectological
intolerate
inventory costing
knowledge resource
land mobile terminal
laser doppler
luke-acts
maxwell equation
microspermous
miliary embolism
modulation frequency limitation
monoacylating
monosynaptically
mousseux
Nessie
nomina conservanda
nonphosphopeptide
normalization lemma
Otto-Lardillon method
photolocalization
phylum arthropodas
piggy-back traffic
police training school
preceding sunspot
presumptorily
primary effect
pseudocercospora thelypteridis
puffing out
rack-type gear cutter
ratio of transformation of current transformer
red lavers
reservation system
round Window
Ryzhova
scuzzies
shoot a bird
sode lake
standard deduction system
STD ATM (standard atmosphere)
step-parenting
subcrepitant rale
thalassocratic
thanksh
the character
the secret
transcendental boundary point
virocapsid
voisen
Z isomer