离子原子互换

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(292) / 评论(0) 分类 疯狂英语2003年

Topics: American Presidents Woodrow Wilson; junction versus intersection versus interchange; proprietary versus patent; to bluff (ones) way into a secure area Words: income tax salary graduated antitrust market to merge to campaign league occupation

发表于:2018-11-30 / 阅读(253) / 评论(0) 分类 美语听力 English Cafe

[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(178) / 评论(0) 分类 赖世雄学英语第四册

Clyde went for a job interview. The school was on 8th Avenue. He told the receptionist, I have a 3 o'clock interview with Jessica. She said, She'll be with you shortly. Clyde examined some books while he waited. They were ESL books called Interchange

发表于:2018-12-12 / 阅读(175) / 评论(0) 分类 经济学人文艺系列

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(235) / 评论(0) 分类 雅思英语

一个英语单词可分为三部分:前缀(prefix)词根(root)后缀(suffix)。位于词根前面的部分就是前缀。前缀,可以改变单词的意思。 inter-表示在......之内 interchange = inter + change 在两者之间进行

发表于:2018-12-19 / 阅读(180) / 评论(0) 分类 英语PK台

Traffic entering Taipei along the Sun Yat Sen freeway will have a long wait. 沿着中山高速公路进人台北的交通要堵塞上好一段时间。 The Songqiang Interchange is closed due to a bus accident. 由于发生一场公交车事故,因此

发表于:2018-12-28 / 阅读(198) / 评论(0) 分类 赖世雄英语新闻听力通

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(225) / 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(149) / 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(190) / 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(209) / 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(211) / 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(205) / 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(159) / 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(180) / 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(197) / 评论(0) 分类 万物简史

有关物流的术语 物品 article 物流 logistics 物流活动 logistics activity 物流作业 logistics operation 物流模数 logistics modulus 物流技术 logistics technology 物流成本 logistics cost 物流管理 logistics management 物流

发表于:2019-02-03 / 阅读(182) / 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(174) / 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(168) / 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(187) / 评论(0) 分类 英语口语
学英语单词
access course
accounting period assumption
aestidurilignosa
affinin
Aframericans
ahout
aortic rupture
Aramaicism
aweight
brachygeosyncline
break one's leave
bubble position
byte handling facility
call-capital
chamber gimbaling actuator
chinese-japanese
chlorpalladium Fluid
compacting head
comparative observation
compressional megasutures
concatenated tuple
condemned property
condemnings
countercorrelated
current good manufacturing practice
dacostas
dative executor
david gruns
deepenest
Deltamin
Dennstaedtia punctilobula
deterministic rule
didactylia
disaster-prone
dry salting
Eblis
end-zoner
fairhandedness
fast valving
for more information
fues
gallows-bird
granular cell schwannoma
harvard system of spectral classes
Havana omelet
hymen imperforate
indirect welding
isofagus
it is alleged that...
krehalon film
lanae
lechwallen (sweden)
life support
lorenza
m. ciliaris
macrodefined system symbol
mains supply
massive seeding
mechanically operated nozzle
Mechëtinskaya
metabolas
moracizine
myelopore
ocean steamer
one at a time
ovariectomised
overreachingly
phlebektopia
phototched mask
polycrystalline solid
push-type sprayer
put into excitation
quality factors of software
rapid start lamp
rhum i. (rum)
Rosh Hashonah
Saxifraga cinerascens
screw surface
self synchronous transmission
service-level agreement
shell of roll
stemphylium trifolii graham
Steve Reich
submerged valley (drowned valley)
submittal notice
telesms
third order plotting instrument
tile vertical
to strike a bargain
tone masking
triangular velocity distribution
troptometer
two-tailed exponential distribution
unanimous approval of the buyer
undisturbed sampling
undull
V-type landing gear
Van-Stone flange
Veedersburg
voltage-divider transducer
whip cream