差集代数

JUDY WOODRUFF: Now a look at how required math classes may factor into the academic success or failure of high school and college students. Hari Sreenivasan has the story as part of our weekly education series, Making the Grade. ANDREW HACKER, Author

发表于:2018-12-05 / 阅读(150) / 评论(0) 分类 PBS访谈教育系列

backset, n 挫折,倒退;涡流,逆流=check 【记】backset=set back-倒退 【反】hike(n 远足,增加)

发表于:2018-12-30 / 阅读(186) / 评论(0) 分类 不择手段背单词

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 whom [ hu:m ] I don't know to whom I o

发表于:2018-12-30 / 阅读(142) / 评论(0) 分类 每日攻克5词

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 miss [ mis ] I'm sure that everybody w

发表于:2018-12-30 / 阅读(200) / 评论(0) 分类 每日攻克5词

Grammar Girl here. Today's topic is sit versus set. When I did a show about lay versus lie many months ago, listeners wrote in asking me to do a follow up show on sit versus set because the problem with sit and set is similar to the problem with lay

发表于:2019-01-02 / 阅读(134) / 评论(0) 分类 英语语法 Grammar Girl

set of wheels free-wheeler Wheel是轮子的意思。轮子是在很久以前就发明的,现在都没有人记得到底是谁发明了轮子。可是,轮子的发明对人类做出了非常大的贡

发表于:2019-01-08 / 阅读(171) / 评论(0) 分类 美国习惯用语

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发表于:2019-01-10 / 阅读(185) / 评论(0) 分类 加州语文教材California Treasures G1

LONDON, Feb. 9 (Xinhua) -- Reigning Olympic champion and world record holder Dayron Robles will go head-to-head with reigning world indoor champion Liu Xiang of China in a blockbuster 60m hurdles race at the Aviva Grand Prix next Saturday. It will be

发表于:2019-01-11 / 阅读(168) / 评论(0) 分类 英语新闻

A 33-year-old financial analyst in California recently quit his job to devote himself to an unpaid job teaching math on the Internet, and his lessons are reaching almost 100,000 people a month. In this week's edition of Making a Difference, we introd

发表于:2019-01-13 / 阅读(141) / 评论(0) 分类 VOA标准英语2010年(三月)

If I could write a letter to me And send it back in time to myself at 17 First I\'d prove it\'s me by saying look under your bed There\'s a Skoal can and a Playboy no one else would know you hid And then I\'d say I know it\'s tough When you break up

发表于:2019-02-02 / 阅读(159) / 评论(0) 分类 美国乡村音乐

351. odd a. 奇特的,古怪的;奇数的 352. omit vt. 省略 353. opponent n. 敌手,对手 354. opportunity n. 机会,时机 355. orchestra n. 管弦乐队 356. semester n. 学期;半年 357. se

发表于:2019-02-03 / 阅读(313) / 评论(0) 分类 英文语法词汇

李华正在为朋友的生日party做准备,她生平第一次烤了一个蛋糕。今天李华会学到两个常用语:from scratch和all set. LH: Larry, 这是我烤的蛋糕,你尝尝。这可

发表于:2019-02-03 / 阅读(267) / 评论(0) 分类 美国之音《流行美语》

MADRID, Jan. 7 (Xinhua) -- FC Barcelona face one of the most difficult games of the season when they face city rivals Espanyol on Sunday night. Newly crowned World Club Champions, Barca travel to the Cornella-El Prat Stadium after starting the weeken

发表于:2019-02-06 / 阅读(196) / 评论(0) 分类 英语新闻

经典英文句子帮你记单词 1. With my own ears I clearly heard the heart beat of the nuclear bomb. 我亲耳清楚地听到原子弹的心脏的跳动。 2. Next year the bearded bear will bear a dear baby in the rear. 明年,长胡子的熊将

发表于:2019-02-06 / 阅读(213) / 评论(0) 分类 实用英语

If I aint got nothing, I got you If I aint got something I don't give a damn, cause I got it with you I don't know much about algebra, but I know one plus one equals two And it's me and you, thats all we'll have when the world is thru Cause baby we a

发表于:2019-02-11 / 阅读(174) / 评论(0) 分类 The Voice 美国好声音

But when they really get pushy, people really get pushy, I say, I do it because you do it for your kid. 但是当他们变得有进取心时,我们就会变得更有进取心,我说:我这样做就像你们为自己的儿子做的原因一样。

发表于:2019-02-13 / 阅读(139) / 评论(0) 分类 TED演讲国际问题篇

Leaders: Big economic ideas Breakthroughs and brickbats 社论:重大经济思想突破与板砖 What economists can learn from the discipline's seminal papers 经济学家能够从这一学科的经典论文中所学到的 It is easy enough to cri

发表于:2019-02-17 / 阅读(164) / 评论(0) 分类 经济学人财经系列

音乐咖啡厅:Hey Monday - Set Off 相关介绍:Hey Monday是近来比较优秀的一支女声流朋乐队, 签约于Decaydance唱片公司, 成为Fall Out Boy, Panic at Disco, The Academy Is...等的同门师妹, 也是Decaydance旗下继The Hus

发表于:2019-02-18 / 阅读(224) / 评论(0) 分类 音乐咖啡厅

You see, the autistic mind tends to be a specialist mind 自闭症患者通常都是有特别的心智的 good at one thing, bad at something else. 她们往往在某一方面做得很棒,在其他方面做得很糟 And where I was bad was algebra.

发表于:2019-03-04 / 阅读(193) / 评论(0) 分类 TED演讲教育篇

释义: set... free 使自由,释放 最基本的短语 set ... free 表示使得到自由,可以用来表示监狱里释放犯人等,解除某人的约束。 例句: How about setting your parrot free? 把你的鹦鹉放了怎么样? And

发表于:2019-03-13 / 阅读(203) / 评论(0) 分类 老外最常用的英文短语
学英语单词
ad-solicitor
affirming
affraid
agricultural season
allexivirus garlic mite-borne filamentous virus
ammonium dihydrogen orthoarsenate
anchor ring shack
anticonstitutional
bang one's head against a wall
beggar's bolts/bullets
beyond out of peradventure
block economy
bola
borned
bronchiolar cell
callabonna creek
caully-flower
charge to the jury
Cheung Tean
collision injury eyeball
common-environment coupling
cotransportation
crown form
cybelle
dichlorodicyanobenzoquinone
disavauncing
draftsmanship
electrical safety test
electronic video recording
emigration survey
fanny sweater
flat pan
forsume
fyen
galahs
Gamgee tissue
germ free
germinal choice
grey fabric
grouplets
Gunter
haplocladium capitullum(mitt.)broth
harnet
high coordination
high-ceilingeds
illful
impaired loci
interscapulary
knee upward
Kubkain
lateral solid mixing
linear regression estimate
lubricating line
marking error
medievalesque
mid-separate surface seal
military economic planology
mishkin
Morskoy Biryuchok, Ostrov
multiple key database
multiple warhead in cluster
NC(numerical control) processing system
Nietzsche, Friedrich
nifekalant
oleic soap
one in a million
outclassing
oven glove
overchlorinated
planning department expense
pneumatoceles
pseudoangiocarpic
radial turboblower
radiator mascot
rag trader
reaching-in
receiver channel RF bandwidth
reign supreme
say peaturkey
sealing edge
sebastien
sex ed
sour odo(u)r
spezzanoes
storage product
strong-breathed
submarine sediment
surface cleaner
syllogistry
system activity monitor
tall orders
telesignalisation
theta antigen
tocospermic type
tootled
track girder
trade-show
umass
vendible
well-head pressure
Yaviza
yield unit