[高能] 光锥代数

Grasp the 1) cone with the right hand firmly but gently between thumb and at least one but not more than three fingers, two-thirds of the way up the cone. Then 2) dart swiftly away to an open area, aw

发表于:2018-11-28 / 阅读(441) / 评论(0) 分类 疯狂英语2002年

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(320) / 评论(0) 分类 PBS访谈教育系列

Bring home a bucket of fried chicken and you may find that people have strong feelings about which part of the bird is best. Well, scientists at Washington University in St. Louis say the answer is: the eyes. At least when you compare them to our own

发表于:2018-12-24 / 阅读(250) / 评论(0) 分类 Scientific American(二)月

[00:06.37]Some people cannot see all colors correctly. [00:10.92]They cannot see all the colors in a rainbow or a sunset. [00:16.40]They cannot tell if the meat they are cooking is done or if a fruit is ready to be eaten. [00:23.61]Poor color sight a

发表于:2018-12-26 / 阅读(255) / 评论(0) 分类 美国英语听力80篇

Night Vision And Humans: Why Cant We See Color? When we are in a fairly dark room, or outside at night away from lights, we can still see, but we cant see the colors of things very well. Why is that? There are two kinds of light-sensitive organs loca

发表于:2018-12-31 / 阅读(294) / 评论(0) 分类 英语听力文摘 English Digest

[00:02.17]Look around You看看你周围 [00:04.95]A very special teacher in a high school had a husband [00:09.80]who died suddenly of a heart attack. [00:12.54]About a week after his death, [00:14.83] she shared some of her thoughts with a classroom of

发表于:2019-01-02 / 阅读(403) / 评论(0) 分类 智慧背囊超越自我

吃鸡肉时,你知道鸡身上的哪个部分是最好的吗?科学家的回答是:眼睛。科学发现,鸡的视网膜锥(体) 数量比人类多,因此可以感知更多的色彩。 Super Chicken Vision Bring home a bucket of fried chic

发表于:2019-01-02 / 阅读(298) / 评论(0) 分类 60秒科学

This is Scientific American's 60-Second Science. I'm Steve Mursky. Got a minute? Orbiting around stars far far away is sand. Astronomers have found sandy particles circling a pair of stars about 2,400 light years from us. And they think they might be

发表于:2019-01-08 / 阅读(349) / 评论(0) 分类 Scientific American(三)月

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(319) / 评论(0) 分类 VOA标准英语2010年(三月)

It started out as a feeling Which then grew into a hope Which then turned into a quiet thought Which then turned into a quiet word And then that word grew louder and louder 'Til it was a battle cry I'll come back When you call me No need to say goodb

发表于:2019-01-16 / 阅读(308) / 评论(0) 分类 影视英文歌曲

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(293) / 评论(0) 分类 美国乡村音乐

Language is hard. In fact, it's infinitely harder and more complicated than math. And yet, nearly every small child can learn and master language. 语言真的很难。老实讲,它比数学要复杂得多,也困难得多。不过,几乎所有的

发表于:2019-02-03 / 阅读(291) / 评论(0) 分类 英语新闻

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(479) / 评论(0) 分类 英文语法词汇

At first glance Esther Okade seems like a normal 10-year-old. She loves dressing up as Elsa from Frozen, playing with Barbie dolls and going to the park or shopping. 第一眼看上去,十岁的埃丝特奥卡德好像和同龄孩子没什么不一样

发表于:2019-02-05 / 阅读(271) / 评论(0) 分类 阅读空间

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(353) / 评论(0) 分类 实用英语

Brad Paisley -- Letter To Me 写给自己的信 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

发表于:2019-02-07 / 阅读(284) / 评论(0) 分类 经典英文歌曲

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(320) / 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(347) / 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(340) / 评论(0) 分类 经济学人财经系列

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(358) / 评论(0) 分类 TED演讲教育篇
学英语单词
abdominal fullness
affectlessness
anterior auricular artery
anti-pollution zone
apollinare
archistriatum
areach
auxiliary projection
Bacterium levans
bardsley
bcr(block cell rate)
beam presser shaft bracket
bedding course
bioweapon
bond with interest lottery
centralized price competition
chogori feng
chronic alcoholic delirium
Clematis courtoisii
combination defence
control force gradient
counterseal
covercled
designability
dog-trot
double dog dares
drill rod
Dulicidae
dust recovery
echegaray
elevated highway
exclusive-OR function
exit label
Ferlo, Vallée du
fetterlock
FIO
foidolite
glutinane
grasp a shadow and let lose a substance
gutheinz
headbusta
heptameter
high moisture fooder
holding time recorder
hole mark
horizontal-pitman crusher
hormone like factors
Ibotson
innovatively
interictally
joint orientation
kassbaum
lubrication wedge
make a present of something to someone
meiopaleontology
mining section
miss distance indicator
mooch down the street
mother sauces
multisized
next screen
Nuaillé-d'Aunis
orange peels oil
oranger
orthogonal code
parasympathetics
Pascal's gamble
pastrick
penadjacent
performance requirements
photomixer diode
plasma cell vulvitis
pressure-duration
property ladder
pseudohomologs
Pull the fat from the fire
pulse base center point
purifying equipment
receiving channels
sblepsia totalis
schultenite
schultenover
social awareness
spingard
sulphited juice
supersonic tactical missile
suspension pipeline bridge
system schedule checkpoint
tamiasciurus douglasis
telescoping tube
temperature contraction of pipes
thermal expansion factor
threespine
ticking bomb
Tidy's test
tissue weighting factor
titanium carbide base alloy
toeplitz recursion
Toorberg
uglifruit
unit-price
wind-up roll