[军][核] 原子弹

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(278) / 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(167) / 评论(0) 分类 赖世雄学英语第四册

Jack didn't feel like a happy camper anymore. Walking through the cold, thin air, he looked at thesnowmobiles parked near the hut. We don't know how to drive snowmobiles! Jackwhispered to Annie. We haven't trained foranything, including altitude sick

发表于:2018-12-10 / 阅读(164) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

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(228) / 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(145) / 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(184) / 评论(0) 分类 阅读空间

AS IT IS 2016-08-12 Unexploded Bombs Still a Problem in Laos Officials in Laos estimate that the country has about 15,000 people who have been injured by unexploded ordnance, also called UXO. The ordnance landed in the countryside, but failed to expl

发表于:2019-01-12 / 阅读(256) / 评论(0) 分类 2016年VOA慢速英语(八)月

By Deborah Block Baghdad 20 January 2008 A suicide bombing killed six people in Iraq's western Anbar province, but a prominent sheikh who was the target of the attack was not hurt. The U.S. military says roadside bombs linked to Iran have declined re

发表于:2019-01-13 / 阅读(162) / 评论(0) 分类 VOA标准英语2008年(一月)

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(196) / 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(199) / 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(191) / 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(148) / 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(168) / 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(181) / 评论(0) 分类 万物简史

By Lisa Schlein Geneva 16 May 2007 In a just released report Wednesday, Handicap International says hundreds of millions of people worldwide face a daily risk of death or maiming by cluster bombs. Lisa Schlein has more for VOA from Geneva, where the

发表于:2019-02-02 / 阅读(245) / 评论(0) 分类 2007年VOA标准英语(五月)

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(157) / 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(162) / 评论(0) 分类 实用英语

By Challiss McDonough Beirut 11 December 2007 Two car bombs have exploded in the Algerian capital, killing at least 62 people and injuring scores more. One of the blasts targeted several U.N. offices, and the United Nations says at least 12 staff mem

发表于:2019-02-07 / 阅读(193) / 评论(0) 分类 VOA常速英语2007年(十二月)

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(176) / 评论(0) 分类 英语口语

Voice 1 Welcome to Spotlight. I'm Ruby Jones. Voice 2 And I'm Ryan Geertsma. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Soraj Ghulam Habib is a young

发表于:2019-03-04 / 阅读(250) / 评论(0) 分类 环球英语 Spotlight
学英语单词
4PL
absolute range for ordinal and continuous observations
altitudae anoxia
angsome
anodmia
arround
arylmethane dyes
AZT
bailies
Ballyporeen
bench bleeding
best time available
blindness
boss sb about
buddhist scriptures
Butlerville
chatoyement
closet door
CODASYL-compliant
collateralizations
come to think about it
composition nails
cubito-anal sulcus
curve of centers of buoyancy
cyatica
debit side
deswell
differentials
Domadare
Dotriacontahectane
double-actng valve
drive-thrus
dual-range balance
eriodictyon californicums
Fachbach
family sapotaceaes
ghost band
Giovanni Jacopo Casanova de Seingalt
Grampians, the
Hallton
hit-pieces
Ilex bioritsensis
inguinal canals
IT management
japanese plow with jointer
Jatimalang
jib-adjusting gear
Johann Gottlieb
keynes plan
kinematic(al) reference system
lactate dehydrogenase-elevating virus
Lactuca diversifolia
lip-shaped
loading pigment
luff round
maintained markup
Martinsbrück
mechanical repeater
methyl ergometrine
modulation band
mountagus
narrowness
natural remanent magnetization
network file access protocol
New Kingdom
noise improvement factor
normal category
open the drapes
over-busy
packaged economic-type boiler
pathological renal tuberculosis
Phoebus
picture transmitter power
pipe reactions
pisciotta
polycentropus nigrospinus
POS scanner
Princess Charlotte B.
Puccinia moliniicola
rankit
rate of loading and discharging
receiveable
resistance wire
scum-cock
section preparation
shuffled through
solific
specimen heater
spectacularly
subfebrile
subterebratulid type
terms of appointment
tiggy
transferance
triaminotriphenyl-carbinol
unhandsome
upender
USCEA (US Committee-for Energy Awareness)
ustilago bullata brekeley
vacuum ultraviolet lasers
visible inquiry-display terminal
yearly load variation