[化] 标记原子; 示踪原子

By Mario Ritter Broadcast: July 29, 2003 (THEME) VOICE ONE: I'm Bob Doughty with Phoebe Zimmermann, and this is the VOA Special English program, SCIENCE IN THE NEWS. VOICE TWO: This week -- a special

发表于:2018-12-01 / 阅读(207) / 评论(0) 分类 VOA2003(下)-发展与科学

Action English 50 Movie Dictionary Child star 童星 Child actor 儿童演员 American Slang He came to see you right before he got tagged. Got tagged=be caught 被逮住 例句 He got tagged last night for drinking beer in the park. 他昨晚在公园喝啤酒,被逮到

发表于:2018-12-08 / 阅读(70) / 评论(0) 分类 动感英语

[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(93) / 评论(0) 分类 赖世雄学英语第四册

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into space as light and h

发表于:2018-12-12 / 阅读(125) / 评论(0) 分类 英语小短文

Now, while the smell wafts over you, let me tell you the history of an idea. 现在,趁着香味还萦绕在你们周围,我来为你们介绍一个想法形成的过程。 Everything that you're smelling in here is made up of atoms that come fro

发表于:2018-12-19 / 阅读(94) / 评论(0) 分类 TED演讲教育篇

Now if you use the right kind of atoms and you get them cold enough, something truly bizarre happens. 如果使用正确的原子,并让其足够冷却,奇迹就会发生。 It's no longer a solid, a liquid or a gas. It enters a new state of matt

发表于:2018-12-19 / 阅读(80) / 评论(0) 分类 TED演讲教育篇

[00:06.37]The United States has a new official clock. [00:10.95]The clock began operating late last year in the American city of Boulder,Colorado. [00:18.39]Experts say the new clock is so exact that it will neither gain nor lose so much as one secon

发表于:2018-12-26 / 阅读(83) / 评论(0) 分类 美国英语听力80篇

M adam President and * Members of the General Assembly: When Secretary General Hammarskjolds invitation to address this General Assembly reached me in Bermuda, I was just beginning a series of conferences with the Prime Ministers and Foreign Ministe

发表于:2018-12-30 / 阅读(443) / 评论(0) 分类 名人演讲

[AUTHENTICITY CERTIFIED: Text version below transcribed directly from audio. (2)] *Madam President and* Members of the General Assembly: When Secretary General Hammarskjold’s invitation to address t

发表于:2018-12-30 / 阅读(153) / 评论(0) 分类 美国经典英文演讲100篇

Welcome. And congratulations. I am delighted that you could make it. Getting here wasn't easy, I know. To begin with, for you to be here now trillions of drifting atoms had somehow to assemble in an intricate and intriguingly obliging manner to creat

发表于:2019-01-01 / 阅读(121) / 评论(0) 分类 万物简史

The bad news is that atoms are fickle and their time of devotion is fleeting-fleeting indeed. 原子很脆弱,它们的献身时刻倏忽而过--简直是倏忽而过,这是个坏消息。 Even a long human life adds up to only about 650,000 hour

发表于:2019-01-01 / 阅读(66) / 评论(0) 分类 万物简史

M.I.T. researchers have developed a piezoelectric fiber that would react to electric currents and have the potential to record or produce audio. Clothing is so yesterday. I mean, really, what can it do? It cant pick up sound, or beep at us if somethi

发表于:2019-01-02 / 阅读(95) / 评论(0) 分类 60秒科学

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(138) / 评论(0) 分类 Scientific American(三)月

Clothing is so yesterday. I mean, really, what can it do? It cant pick up sound, or beep at us if somethings wrong. Or can it? M.I.T. researchers say theyve developed a fiber that would allow clothing to eventually do those things. Their study is in

发表于:2019-01-08 / 阅读(96) / 评论(0) 分类 Scientific American(七)月

The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into

发表于:2019-01-08 / 阅读(162) / 评论(0) 分类 英语小短文

[00:03.08]Unit 21 Human Biology Lesson 2 Brain Power [00:09.67]Exercise 2 Listen to a science lesson. [00:13.42]Use the strategies to complete the gaps [00:15.74]in this summary. [00:22.96]Right, the topic of today's lesson [00:25.59]is the brain. [0

发表于:2019-01-10 / 阅读(287) / 评论(0) 分类 北师大版高中英语模块7(选修)

EXPLORATIONS - Nanotechnology: How the Science of the Very Small Is Getting Very BigBy Mario Ritter Broadcast: Wednesday, February 08, 2006 (MUSIC) VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Faith

发表于:2019-01-16 / 阅读(110) / 评论(0) 分类 2006年慢速英语(二)月

文本: King Arthas:Times running out, Anubarak. Weve got to get inside the Throne _(1)_ before Illidan does. Anubarak:The Throne Chamber lies within the frozen peak at the center of the valley. It can only be opened by activating the four ench

发表于:2019-01-23 / 阅读(90) / 评论(0) 分类 小龟乐游记英语短文

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(79) / 评论(0) 分类 经济学人科技系列

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(91) / 评论(0) 分类 英语新闻
学英语单词
'Alāmarvdasht
Ambinaninony
amniotic lateral fold
back straights
bocky
Bowditch lsland ringworm
broadcast reception equipment
bronzitfels
Buckles B.
bumblebee models
canalicular adenoma
candacia varicans
carthamus seed
casd
Ceriana
clip end
closed-endeds
clubwoman
concentuss
condition of intersection
congeliturbation
coochy
corpse camps
Corydalis filisecta
counteritelligence
cranked fishplate
culture pond
delicadas
digital frame storage
direct product representation
dynamo van
electrolytic aluminium capacitor production line
email bombing
entertainment shares
exciting flux
explanationists
fall-away
fast food
federal jurisdiction
go for the doctor
Greekly
groundworker
haggle over
helado
hydrogen chamber
ioduretted
jasmyne
judgement blank
Knyazhitsy
Langenselbold
lateral stopper mounts
lebewohl
local rotary connector
locating bearing
locustella pleskei
loschmidt reversibility paradox
luiks
Mashike
mass-distributed
metaflows
minnillo
molecular taxonomy
murgatroid
nanoscale
networked device
Ngonga
non-commuting
northernaire
offset bit
Oph
orale
overlay command set
parametic fault
pigling
polishing filter
precision analysis
psamathophilus
raichu
reservation utility
rhopalopsole dentata
scda slag
sedney
Sedom (Sodom)
silicon bromide chloride fluoride
single plane crankshaft
sleepwalkings
spade husbandry
surface void
swing circle radius
tape alphabet
Tarnaméra
tilt adjuster
tissues
Tombini
turbine-driven
turned-out
valve-spring cotter
vcip
vegs out
weatherproof cable
written-off
zungenbecken