[光] 自由原子非线性光学

They Did It With Mirrors! You can’t stand in front of the paintings of the old masters and not wonder, how did 1) Frans Hals make that lace seem so real? How did 2) Van Dyck make his armor so gleami

发表于:2018-11-28 / 阅读(257) / 评论(0) 分类 疯狂英语2003年

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(267) / 评论(0) 分类 VOA2003(下)-发展与科学

[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(120) / 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(154) / 评论(0) 分类 英语小短文

1. a little bit,有点,有几分。 eg:Move over this way a little bit. 往这么挪一挪。 2. confusing,令人困惑的,让人容易混淆的。 eg:I see a lot of students stretching and so on, so it is very confusing for me. How do we solve the

发表于:2018-12-18 / 阅读(165) / 评论(0) 分类 蒋健棠教你听英语广播

Newtons Apple Tree 牛顿的苹果树 Newton was an English physicist and mathmatician,and was the greatest scientist in his era. 牛顿是一位英国物理学家和数学家,也是他那个时代最卓越的科学家之一。 Isaac Newton was bor

发表于:2018-12-18 / 阅读(149) / 评论(0) 分类 走进剑桥大学

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(128) / 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(140) / 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(487) / 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(202) / 评论(0) 分类 美国经典英文演讲100篇

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(136) / 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(216) / 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(330) / 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(142) / 评论(0) 分类 2006年慢速英语(二)月

Its a stunning location, but its also mysterious. These stars are not just close together. They are on the move at enormous speeds. Going to the heart of a galaxy might not be the similar to going to an amusement park. The rides are some similar to h

发表于:2019-01-22 / 阅读(281) / 评论(0) 分类 自然百科2011年

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(137) / 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(105) / 评论(0) 分类 经济学人科技系列

今天我们要学的词是career path。 Career path, 职业生涯。求职顾问建议大家尝试不同种类的工作。 Having a nonlinear career path can make you more interesting to potential employers, 有非直线职业生涯的人在雇人老

发表于:2019-02-02 / 阅读(141) / 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(121) / 评论(0) 分类 英语新闻

可以调焦的眼镜? They may look like an ordinary pair of spectacles, but these glasses are at the forefront of a revolution in eyewear. 它们看起来像普通的眼镜,但是是眼镜改革的最前沿。 Part of a new line of electronic eye

发表于:2019-02-07 / 阅读(145) / 评论(0) 分类 实用英语
学英语单词
-ception
acid hydrolysis method
Acmella brachyglossa
Acomys
action rate
apogon erythrinus
arcus volaris venosus superficialis
astral era
automated learning management system
bag maker
beam sea
beat a hasty retreat
betwit
Bonito, Cerro
box bearing
burst a blood vessel
business doube
caburns
california test of mental maturity(ctmm)
catch member
catchstitches
colltype
considerate towards
cytodiaeresis
dip pickling
drum lift
emergency medical service
equilibrated expansion joint
Eurochecks
execute command
extemporaneity
F.
food composition table
frat party
fuck starts
going free
Goniothalamus gardneri
gospel according to marks
gyrostabiliser
hexabasic salt
hobby horse dance (england)
hybrid seed
individualisings
instrument unit
island slope
jettage
jubilist
juncates
lasantas
leading index
Ligamentum cuboideonaviculare dorsale
loranthus chinensis dc.
management by self-control
manduca sextas
measurement of ship for tonnage
metacommand
mire science
NBPC
nongraduated
normal stress difference
nursed
outbarked
over-under-thru
palm and slipper coupling
papios
parage
partially closed type
perceptualize
photograph amplifier
Pikounda
pineisle
pizzardo
polyaromatic
powder' pulvis
radio-frequency accelerating structure
rectal perfusion
redry
reference ballast
refiring of fly ash
resilience modulus
ribaldrous
route type relay interlocking
satellite TWT
scrafford
si/sige mosfet
size reduction device
smsusosns-s
special session
stagnating margin
surplus from donated stock
Talk to God
tamlin
taxels
thammiscophagous
twin rail runway
underwater breathing tube
unsubstantial
ureter
Vena pulmonalis sinistra inferior
waste liquid
written interrogation
your skin crawls