【光学】双折射 [亦作 birefringence]

Question: And so to our first 2) contender. Good evening. Your name, please. Answer: Good evening. Question: Your first time your chosen subject was answering questions before they were asked, this ti

发表于:2018-11-28 / 阅读(230) / 评论(0) 分类 疯狂英语2002年

The happiness of life is made up of minute fractions the little soon forgotten charities of a kiss, a smile, a kind look, a heartfelt compliment. 生活中的快乐是由一些小片断组成很快被遗忘的亲吻、微笑、关爱的眼神、由衷的

发表于:2018-12-02 / 阅读(161) / 评论(0) 分类 Daily English-2017.02

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(199) / 评论(0) 分类 成长的烦恼第四季

by Jason Marshall A few months ago we talked about how to multiply fractions. Now that were comfortable doing this and weve talked about a few applications of multiplying fractions such as how to convert units and how to estimate how fast someone is

发表于:2018-12-07 / 阅读(159) / 评论(0) 分类 数学英语

by Jason Marshall In the last article, Is Multiplication Repeated Addition? we talked about what it really means to multiply two numbers. We found that the conventional meaning of multiplicationrepeated additionbreaks down when multiplying fractions,

发表于:2018-12-07 / 阅读(136) / 评论(0) 分类 数学英语

by Jason Marshall In the last episode, we talked about exactly what decimal points and decimal numbers are, and why they are so convenient to use. In the next few weeks were going to continue talking about decimals and their place in the world of mat

发表于:2018-12-07 / 阅读(167) / 评论(0) 分类 数学英语

As part of the cooperation between China and the UK in education, more and more British primary school teachers and their Chinese counterparts have been conducting exchanges in a bid to learn from each other. A group of over 30 Chinese math teachers

发表于:2018-12-24 / 阅读(130) / 评论(0) 分类 2018CRI中国国际广播电台

This is Scientific American 60 second Science, I am Sophie Bushwick, got a minute? Stuck on a tricky math problem? Start clapping. Grade school kids who learned about fractions through a rhythm-and-music-based curriculum outperformed their peers in t

发表于:2018-12-24 / 阅读(188) / 评论(0) 分类 Scientific American(三)月

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(157) / 评论(0) 分类 英语语法 Grammar Girl

图片1 图片2 by Jason Marshall In the last article, we discovered that integers alone are not sufficient to fully describe the world around uswe need the fractions existing between the integers too. (In learning that, we also learned that fraction

发表于:2019-01-02 / 阅读(244) / 评论(0) 分类 数学英语

图片1 图片2 by Jason Marshall A few articles ago, I asked if you ever found yourself at restaurants fumbling to figure out how much to tip; I guessed that you might occasionally resort to seeking advice from your smart phone; and I told you that

发表于:2019-01-02 / 阅读(266) / 评论(0) 分类 数学英语

by Jason Marshall Todays article is about decimal points and numbers and how theyre related to fractions. But first, the podcast edition of this tip was sponsored by Go To Meeting. Save time and money by hosting your meetings online. Visit GoToMeetin

发表于:2019-01-02 / 阅读(240) / 评论(0) 分类 数学英语

图片1 图片2 by Jason Marshall Do you frequently find yourself at restaurants with friends fumbling to figure out how to split the bill and calculate the tip? Have you ever resorted to seeking advice from your smart phone? Dont worry, we all have.

发表于:2019-01-02 / 阅读(287) / 评论(0) 分类 数学英语

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(176) / 评论(0) 分类 2016年NPR美国国家公共电台10月

Which is correct: A dozen eggs is? Or A dozen eggs are? 哪个是正确的:a dozen eggs 'is' 还是 a dozen eggs 'are'? I remember being in elementary school, and my teachers making a big deal about the unit. 我记得上小学的时候,我们老

发表于:2019-01-17 / 阅读(168) / 评论(0) 分类 TED演讲教育篇

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(195) / 评论(0) 分类 英语新闻

今天我们要学的词是double check。 Double check, 是复核的意思。The teacher told her students to double check their answers before handing in the exam, 老师告诉学生们,交卷之前应该反复检查自己的答案。They double

发表于:2019-02-06 / 阅读(155) / 评论(0) 分类 英语每日一词

Back in 2003, the UK government carried out a survey. 早在2003年,英国政府进行了一项调查。 And it was a survey that measured levels of numeracy in the population. 目的是了解国民的算术能力。 And they were shocked to find o

发表于:2019-02-14 / 阅读(151) / 评论(0) 分类 TED演讲科学篇

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(198) / 评论(0) 分类 学个词

哈利波特陪我们走过了十年,如今已经到了最后一步,长大了的何止是电影中的小演员们,还包括我们自己。 Double, double, toil and trouble. Fire burn and cauldron bubble. Double, double, toil and trouble. Someth

发表于:2019-03-02 / 阅读(193) / 评论(0) 分类 影视英文歌曲
学英语单词
61
A OK
abu-jabbar
acoustic method
agrobotany
al-Qa'ida
ametoecious
analgetica
APC (automatic plant coordinate control)
atchams
batter's box
Bauhinia monandra
baurs
beta-staphylolysin
bogha
car-ferry
Cayley complexes
cleanergrader
cojones
concealed work
confined to a narrow range
connecting rod large end
cynoglossus puncticeps
deckhead
diagram on the plane of horizon
dial up characteristics
differentiating pulse
discrete valued objective
double braid covering
epiphenomenas
explosion-door
export subsidies
family Squillidae
fibreglass
field simulation
forward or backward skip buttons
fricandels
furring tile
gai-jins
grate firing
gray catbird
Grenfell, Sir Wilfred Thomason
Hall pressure transmitter
hobbit
hydromatic process
Icacinaceae
imparipinnate
impervious core
inland navigation channel
kettle-singing sound
kneafsey
Kondoleon operation
Kvæfjord
Kwatisore
lacalle
lace hole
launch cost
lehigh slow-bend test
light transmittance
Ligularia wilsoniana
macabrely
magadiite
menkte
miliaceum
multiple object
namoura
network group
nonincreasing rearrangement function
normal displacement
Okila
Oksbφl
os1
osarizawaite
otogenic meningitis
ouched
pars alveolaris
patrai (patras)
president hoovers
pyjama
Queue.
recapitulary
released (of mortgage)
relief phase hologram
road maintainer
Royal Oak
scroll guard
sec-butylnitrate
self cleaning car
sent.
shrier
shwartzmen
Six-Plumed
soil pat
sorption
synchronized clock
synthetic mortar
temporary account
teresas
trigger level
ventilation/perfusion ratio
vetturino
zygomaticum