磅原子

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(263) / 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(148) / 评论(0) 分类 赖世雄学英语第四册

[00:04.99]poster postman postpone pot [00:09.22]n.招贴,海报,广告 n.邮递员 vt.推迟,延期 n.罐,壶 [00:13.45]potato potential poultry pound [00:17.68]n.马铃薯,土豆 a.潜在的,可能的n.潜力n.家禽 n.磅,英磅 [00:21.92]pound pou

发表于:2018-12-15 / 阅读(252) / 评论(0) 分类 考研英语词汇2005

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(215) / 评论(0) 分类 雅思英语

I complimented one of my co-workers on having lost ten pounds. However, I couldn't resist bragging that when I was 17, 1 weighed 225 pounds and today I tip the scales at 224. 1 added,

发表于:2019-01-03 / 阅读(192) / 评论(0) 分类 英汉幽默故事选读

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(194) / 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(133) / 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(168) / 评论(0) 分类 阅读空间

LULU GARCIA-NAVARRO, HOST: You may know Paula Poundstone from the smash public radio hit - other than this program - Wait Wait... Don't Tell Me! But she's also an accomplished author, now of two books, all the more an accomplishment because each book

发表于:2019-01-17 / 阅读(154) / 评论(0) 分类 2017年NPR美国国家公共电台5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(170) / 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(177) / 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(178) / 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(132) / 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(155) / 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(166) / 评论(0) 分类 万物简史

今天我们要学的词组是pound。 Pound既是英国的货币英镑, 也是一个重量单位。作为动词呢,pound的意思是猛击,猛烈敲打。 比如有人在砰砰地敲门,Somebody is pounding at the door 美国东海岸地区四

发表于:2019-02-03 / 阅读(153) / 评论(0) 分类 英语单词荟萃

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(145) / 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(154) / 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(165) / 评论(0) 分类 英语口语

Oh' oh' oh' come fill my glass up a little more We 'bout to get up' and burn this floor You know we getting hotter' and hotter Sexy and hotter' let's shut it down Doe' what I gotta do to show these girls that I own them Some call me nicki' and some c

发表于:2019-03-02 / 阅读(215) / 评论(0) 分类 英文最新流行歌曲
学英语单词
absolute modulus
across the board rule
affected layer
Amerindianizes
angustmycin
anti-stray current detonator
antihyperlipidaemic
arachnidial
arlacels
arteria colica
as drunk as a fish
azeotropic copolymer
Bibiganj
block position indicator
Burnside boring machine
cabarrus
co-exert
coarse-wooled sheep
come in showers
complished
crimp connection
darlingest
data analytics
data revision
decommissioner
deverbalize
dolcegabbana.it
eelskin
eldered
emptieth
Endasareda
excellent design
extruded article
garage rock
GCA radar
gingivectomies
glorificate
glutted
green fingerss
gymnospermous yellowwoods
hard wallboard
hyperalkalines
in the same time that
isofucoxanthin
isotopically modified compound
lead treated steel
lending an ear
lone hands
low-power modulation system
lug foresail
mail noble
Mangoky
Martin-Hou equation of state
Mogrebbin
mougeot
mupp
natural-draft cooler
needs for survival
network program
normocytic
not so sure
oleocystidia
oligoamnios
orogenous zone
papillary wave
participating bond
pat.pend
Physciaceae
piston oiling
postplace
preyed
region of melting
restrain
rubber varnish
sao miguel
satellite cloud photograph
scale blowing
semi-state
shell shake
short reckonings make long friends
single-mothers
slap sb around
sleepwrote
slippages
solid sprinkler system
stand off and on
steam emulsion number
stensons
think critically
Tonale, P.del
traditional commodities
tranquilisation
transmigration
transverse ligament of atlas
trawl fishing
video content
wall-types
weft thread
welcome wagon
WHBV
Winton disease
worries at