[机] 原子极化

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(154) / 评论(0) 分类 疯狂英语2003年

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(68) / 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(72) / 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(123) / 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(118) / 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(54) / 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(83) / 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(83) / 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(67) / 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(82) / 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(62) / 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(71) / 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(72) / 评论(0) 分类 万物简史

科学家发现宇宙膨胀的证据 WASHINGTON, March 17 (Xinhua) -- U.S. astronomers announced Monday they have captured the first images of gravitational waves, or ripples in space-time described as the first tremors of the Big Bang in which the u

发表于:2019-02-03 / 阅读(78) / 评论(0) 分类 英语新闻

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(71) / 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(68) / 评论(0) 分类 实用英语

The biggest cities in China are pressure cookers for youth starting out on their careers. 对于那些打算在自己职业生涯大展拳脚的年轻人而言,中国一线城市就好比是 高压锅。 Here are some tips on what to expect if you

发表于:2019-02-09 / 阅读(77) / 评论(0) 分类 实用英语

The Eye of the Dung Beetle A number of animals, including honeybees and butterflies, use sunlights polarization in their navigation s , but the dung beetle is the first animal ever discovered to use moonlights polarization to guide its travels. Polar

发表于:2019-02-16 / 阅读(74) / 评论(0) 分类 英语听力文摘 English Digest

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(82) / 评论(0) 分类 英语口语

[00:02.48]Ok... 好了 [00:03.96]The X10's are online 这台X10已经连上网了 [00:06.44]Gentlemen, I am now about to send a signal from this laptop through our local ISP 先生们 接下来我要从这台笔记本发出信号 通过本地ISP [00:

发表于:2019-03-16 / 阅读(312) / 评论(0) 分类 听电影学英语-生活大爆炸
学英语单词
academic issues
action panel
adustin
aiming stake
arborescences
arc control breaker
Bacarra
beta-transformtion
betides
bramble-berry, bramble-bush
cable hangers and saddles
calculation of weight distribution
centrifugal and centripetal forces
co-sharer
cold-type
collect specimells
commutator loss
conservation of absolute vorticity
constitutional rights
constructionistic
cumberland falls
deblet
diamond disease
dinoflagellosis
dispansion
double beat drop valve
Down Easter
echo talker
emergent ray point
farrowing stall
final consumer
find bank bill
formal genetics
foundation leg
hand governor
head tetanus
historical dollar statement
Impatiens martinii
in-line expansions
inferior dental artery
INPRONS
itchens
Jagdispur
l'oeuvre
lairy
large-meshed
lauberhorn
laurifine
liberal-arts
loganville
marine phytomorphology
micromorts
military mission
minimization methods
Mlicrococcus cinereus
mucklucks
multiple-operator arc welding machine
nebula-like
nonprimates
opisthoplatia orientalis
pecunio
peripheral fault
personkind
Pindus
piscidin
Pocock
poortith
ported loudspeaker
potassium copper(ii) acetate
quick-hardening gypsum plaster
radial play eccentricity
radio frequency demodulator
raft bridge
rear axle stand
redbaits
regulating quadrant
scrofulas
separatenesses
serenely
skull-face
slip roads
small coastal transport
softbreakdown
span of detonation
spur gear '
Stockton, Frank Richard
stratum compactum of intestine
Sukumo
tepoxalin
the White Pages
thirteenths
transplastomic
uk culture
uncoaching
unconstant
universal computer oriented language
vacuum tubular glass solar collector
voltage standing wave ratio (vswr)
vortex generation
watering-down
willowbrook
Wyethia helianthoides