衰变原子

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(146) / 评论(0) 分类 疯狂英语2003年

[00:02.68]no,see,the liquid-metal termators were created in the future by skynet, 不对 液态金属人是在未来由天网创造 [00:06.60]and skynet was developed by miles dyson, 而天网是由Miles Dyson开发 [00:08.64]but that future no longe

发表于:2018-12-07 / 阅读(112) / 评论(0) 分类 听电影学英语-生活大爆炸

[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(65) / 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(116) / 评论(0) 分类 雅思英语

This is Scientific Ameicans 60-Second Science. Im Steve Mirsky. Got a minute? Would you mind telling me what this is all about, Mister? No problem, Captain. A study in the Journal of Applied Physiology shows that artificial gravity should prevent a b

发表于:2018-12-24 / 阅读(74) / 评论(0) 分类 Scientific American(七)月

Robert Herrick (1591-1674) Fair Daffodils, we weep to see You haste away so soon: As yet the early-rising Sun Has not attained his Noon. Stay, stay, Until the hasting day Has run But to the Even-song; And, having prayed together, we Will go with you

发表于:2019-01-02 / 阅读(97) / 评论(0) 分类 英语诗歌

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(49) / 评论(0) 分类 英语美文

[00:01.17]It has also been proven that chewing gum [00:03.50]for long periods of time means [00:05.48]that the body does not have time to rest. [00:07.72]If this is the case, [00:08.95]the stomach may become tense. [00:10.85]Eventually this could lea

发表于:2019-01-10 / 阅读(250) / 评论(0) 分类 北师大版高中英语模块7(选修)

[00:02.81]Unit 21 Human Biology Lesson 1 Chewing Gum [00:09.19]TO CHEW OR NOT TO CHEW... [00:12.21]Diet specialists regularly inform us [00:14.82]that it is important to chew our food properly. [00:17.74]They suggest that if we chew our food [00:19.7

发表于:2019-01-10 / 阅读(264) / 评论(0) 分类 北师大版高中英语模块7(选修)

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(78) / 评论(0) 分类 阅读空间

(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(63) / 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(75) / 评论(0) 分类 英语口译

At McGill University in Montreal the young New Zealandborn Ernest Rutherford became interested in the new radioactive materials. With a colleague named Frederick Soddy he discovered that immense reserves of energy were bound up in these small amounts

发表于:2019-01-29 / 阅读(84) / 评论(0) 分类 万物简史

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(64) / 评论(0) 分类 万物简史

used to v used (否定式简写为usedn't)过去经常,以前常常 Weusedtogothereeveryyear. 我每年都去那儿。 Heisnotwhatheusedtobe. 他已不是旧日的他了。 Itusedtobebelievedtha

发表于:2019-01-30 / 阅读(91) / 评论(0) 分类 英文语法词汇

Plastic Pollution NB: This is not an accurate word-for-word transcript Dan: Hello and welcome 6 Minute English from the BBC. Im Dan Walker Smith and today Im joined by Kate. Kate: Hello Dan. Dan: Now today Kate and I are talking about pollution. Kate

发表于:2019-02-04 / 阅读(93) / 评论(0) 分类 六分钟英语

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(62) / 评论(0) 分类 实用英语

还记得f(x)最新主打曲目《初智齿》吗?初恋就像长智齿一样,会疼但却是必然要经历的。今天带大家学习一下智齿用英文怎么说?在生活中学英语,一定要慢慢积累哦。 智齿的英文怎么说? wisd

发表于:2019-02-17 / 阅读(85) / 评论(0) 分类 英文语法词汇

LONDON, June 16 (Xinhua) -- Drillings and fillings at the dentist's are always dreadful and make tooth decay treatment very unpleasant. But British scientists have developed a new approach of fixing tooth decay, which could get rid of all the drillin

发表于:2019-02-18 / 阅读(86) / 评论(0) 分类 英语新闻

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(76) / 评论(0) 分类 英语口语
学英语单词
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AACL
alcoholic borax-carmine stain
Alyaty
appended
babyproofer
barrier ice
BCE(beam collimation error)
blow-off cock
bolona
cash on shipment
Chrysosplenium uniflorum
colo(u)r fastness to organic solvents
compends
compression die
contact box/cabinet/frame
contamination controls
contorno
controlling voltage
couniting
Crystal Violet
Culemborg
cup head pin
dedenting
defase
delport
diffused hydrocele
din lands
discontinuous series
dismast
Drechsel's butter
dry heat curing
ducklegged
endoelectrical reaction
estlin
fashin
firm transmission rights (ftr)
flank production
full file replacement
gas-phase thermometric titration
glucosylmannitol
gyri cunei
half-plate
heavy-duty machine tool
Heping Township
hook screw
Hopelchen
humolith
Install software
instation test
Jesu
light colo(u)r
linac focusing
lineage-specific
load power factor
lying-ins
make-a-dates
manual data input programming
mdiinstruments
melon baller
mission-critical
multiply connected region
network feed
Newton's third law
nominally steady load
nuclear magnetic resonances
offner
peak annual output
percutaneous transluminal balloon mitral valvuloplasty
positive strengthened stimuli
Qing Ming
quadrapertite
radionucleiorenogram
rajasthans
regulation game
repellor
return pipe
salpingo-oophorocele
San Pablo, I.
sdss
see stars
sensitivity analysis method
shooling
slop chests
so there
straight-teeth conical gear
tackiest
taken a chill pill
Test nation
the cooler
thyminose
tongue twist
Tony Hatch
triaminotriphenyl
tubercula cuneiforme
uniform scale
veren
visible part
voltage-current dual
wearing part
Windows Movie Maker
zhongnanhais