菲涅耳双折射理论

23.Theory and Practice When talking about the importance of theory and practice,some people think theory is rather empty and abstract,so we should try to pratice a lot to obtain our goals;while others maintain that practice is rather too blind and wh

发表于:2018-11-28 / 阅读(390) / 评论(0) 分类 疯狂英语易背作文

生活半对半[The 50-Percent Theory of Life] I believe in the 50-percent theory. Half the time things are better than normal; the other half, they are worse. I believe life is a pendulum swing. It takes time and experience to understand what normal

发表于:2018-11-30 / 阅读(367) / 评论(0) 分类 王强英语美文

Mike: Hey Ben, if this Amy girl that you are so hot for already said yes to the movie, then what's your problem? Yes! Alright, the pressure's on. You miss this, you've got C A R O. Ben: My problem is that mum and dad have never really officially s

发表于:2018-12-05 / 阅读(259) / 评论(0) 分类 成长的烦恼第四季

The Aldens followed the bike path through North Ridge Park on their way home from Cals house. The trees sheltered them from the wind, so it was easier pedaling here. The bike path became a narrow dirt trail through the thickest part of the woods and

发表于:2018-12-06 / 阅读(248) / 评论(0) 分类 113 The Box That Watch Found

27. Scientific Theories In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists picture the way an observed event could be produced. A good example of thi

发表于:2018-12-08 / 阅读(512) / 评论(0) 分类 新概念优美背诵短文50篇

Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. U

发表于:2018-12-15 / 阅读(391) / 评论(0) 分类 新东方背诵文选

The Blurry World Underwater When you open your eyes underwater, things look blurry, but with goggles, everything looks perfectly clear. Why cant we landlubbers focus underwater without goggles? First, we need to explore how our eyes focus when were h

发表于:2018-12-31 / 阅读(223) / 评论(0) 分类 英语听力文摘 English Digest

Grammar Girl here. Today's topic is the the, not as in the British '80s band, but as in what to do when a sentence calls for a the in front of a name or title that starts with a the, like The New York Times. So, listener Rob Jones asked, Do I have to

发表于:2019-01-02 / 阅读(229) / 评论(0) 分类 英语语法 Grammar Girl

ECONOMICS REPORT - Work on 'Game Theory' Wins Nobel Prize for Two Economists By Mario Ritter Broadcast: Friday, October 14, 2005 I'm Bob Doughty with the VOA Special English Economics Report. Robert A

发表于:2019-01-02 / 阅读(275) / 评论(0) 分类 健康与经济

Global View - Big Bang Theory (C0094) A: Whats up? You dont look too good. B: Yeah, my head hurts, thats all. Ive been in physics class all day. Its killer! A: I liked physics. Its all math, really; arcs, curves,velocity, cool stuff. B: Yeah, yeah, b

发表于:2019-01-07 / 阅读(320) / 评论(0) 分类 纯正地道美语

By Jessica Berman Washington 03 August 2007 There's a period in the development of toddlers when they seem to learn a new word every day. There are different theories about why young children undergo what experts call a word spurt. But one psychologi

发表于:2019-01-07 / 阅读(263) / 评论(0) 分类 2007年VOA标准英语(八月)

Double, Double play pause stop mute unmute max volume 00:0005:28repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. OPHIRA EISENBERG, HOST: Now it's time to

发表于:2019-01-17 / 阅读(238) / 评论(0) 分类 2016年NPR美国国家公共电台10月

RIO DE JANEIRO, April 4 (Xinhua) -- Fellipe Bastos scored two goals as Vasco de Gama defeated Alianza Lima 2-1 in their Copa Libertadores match at Lima's Alejandro Villanueva Stadium on Tuesday. The result lifts Vasco to the top of their group with 1

发表于:2019-02-03 / 阅读(262) / 评论(0) 分类 英语新闻

Voice 1 Welcome to Spotlight. Im Rena Dam. Voice 2 And Im Liz Waid. 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 Imagine a family with three children.

发表于:2019-02-14 / 阅读(319) / 评论(0) 分类 环球英语 Spotlight

今天要学的一个词组是:double standard。 Double standard是指双重标准。美国连锁商店沃尔马允许在中国的分店组织工会,却不允许在美国的商店组织工会。媒体报导的标题说:Critics claim double sta

发表于:2019-02-16 / 阅读(270) / 评论(0) 分类 学个词

The search for alien life 寻找外星生物 Twinkle, twinkle, little planet 闪烁吧,小行星 An undervalued optical trick may help to find life in other solar systems 一个不被人重视的光学方法可能能帮助寻找其他太阳系的生命

发表于:2019-02-16 / 阅读(242) / 评论(0) 分类 经济学人科技系列

Science and technology. 科技。 The search for alien life 寻找外星生物 Twinkle, twinkle, little planet 闪烁吧,小行星 An undervalued optical trick may help to find life in other solar systems 一个不被人重视的光学方法可能能

发表于:2019-02-18 / 阅读(189) / 评论(0) 分类 经济学人综合

美剧《生活大爆炸》搞笑主题曲:Big Bang Theory Artist:Barenaked Ladies Song:Big Bang Theory Our whole universe was in a hot dense state, 宇宙一度又烫又稠密 Then nearly fourteen billion years ago expansion started. Wait... 140亿年

发表于:2019-02-20 / 阅读(267) / 评论(0) 分类 流行英文歌曲

Pre-Listening Vocabulary blemish: an imperfection; a small flaw fade: to become less bright reincarnation: the belief that living beings die and then are reborn in a new form spear: a long sharp weapon that punctures the skin The Birthmark Theory Bir

发表于:2019-02-27 / 阅读(281) / 评论(0) 分类 趣谈英语

我们今天一起来看看白洁最喜欢的电视剧之一!Big Bang Theory! 生活大爆炸! 我们一起来学6季17集的美语说法! 1) How'd it go? 过得怎么样?2) Body language 身势语。如果你能看出某人有什么感觉,那就

发表于:2019-03-02 / 阅读(274) / 评论(0) 分类 OMG美语
学英语单词
-metry
acquire a taste for
additional air regulator
Aitken's generalised least squares estimator
al-shamikh
ampliates
art-culture
baffle mark
balancing illumination
basic calcium hypochloride
binocular instrument
blue-throated
Bouvier
callalou
carry sb away
chelp
circumstantiates
city planning tax
collieries
concavo concave
concurring opinions
consolidation bond
constant specification
costus speciosus (koen) smith
cryptochalite
cyanurets
cycle heat rate
cysticercosis of breast
dangle before
define the limite of the protection claimed
dentately
dephosphatase
disremenber
electroplated phototransistor
extrusion tool
feel-better
fixation muscles
flip-flap
fortified confectionery
Frangenheim
fuse box
hat-case
high-incidence stall
hydrothermal convection system
incline impact tester
iron and steel sheet and plate
jet on underfeed condition
joss-sticks
Kayak I.
Khon Sawan
less than normal refraction
lethingtons
limbus angulosus
lindernia dubia anagallidea
lithothyptic
macphail
mandibular denture
marcopulos
marine accident analysis
Marshall flow
martineta
mechanical draught cooling to wer
message channel
mini peripheral component interconnect
minorates
mucopolysaeccharide
multichannel carrier
nygord
obliqulty effect
over-educated
paper plant
Pennington R.
phenallymal
politicizers
preisser
punctum
purple-coloured
radiophobia
reannotated
rem syndrome(reticular erythematous mucinosis)
rolls-on rolls-off
roothole
salvage of life
Semele
sheaving
shortwoods
signal-tuned amplifier
slippering
subgame
teasdale
telegraph bandwidth
the little gentleman in black velvet
thin-shell
three terminal contact
to express admiration for...
ultimate strength of the laminate
uniform accounting system
vaccinostyle
versatile fighter
water-filleds
wire block
Zyloprim