[化] 麦克斯韦方程的四维形式

帮助学生做数学题的手机应用 WASHINGTON School children usually can count on their parents to help them check if their homework is correct. But as students get older and their assignments get more complex, few parents are qualified to assi

发表于:2018-12-08 / 阅读(49) / 评论(0) 分类 VOA标准英语2015年(七月)

You Do the Math Hello and welcome to Words and Their Stories from VOA Learning English. On this program we explain how to use common expressions in American English. We also explore the origins of these expressions. Where do they come from? Today we

发表于:2018-12-16 / 阅读(153) / 评论(0) 分类 2016年VOA慢速英语(十)月

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(108) / 评论(0) 分类 蒋健棠教你听英语广播

Maxwell put up his hand and waited for his teacher, Mrs. Gilbert, to notice him. Do you have a question, Maxwell? she asked. Its more like a problem, Maxwell said. I lost my tooth. Maxwell stood up and held out his hand to show his class his baby too

发表于:2018-12-18 / 阅读(84) / 评论(0) 分类 Children’s Stories-儿童故事集

今天我们要学习的是大家期待已久的课后功课根据中文完成句子的精讲,从而使我们更好的掌握hit sb right between the eyes这个习语的运用。 我们来看看题目。中文句子是我敢打赌,我在这些方程式

发表于:2018-12-27 / 阅读(68) / 评论(0) 分类 英语早间课堂

Lesson 24(第一讲) 2. Let us suppose that Mary hit John right between the eyes, what will he do? It's no doubt John wants to spend all his time with her and get to know about her better.我们假定John对Mary印象很深刻,John会如何呢?

发表于:2018-12-27 / 阅读(56) / 评论(0) 分类 英语早间课堂

Wormholesby Linda BaxterHave you ever read Carl Sagan's 1985 science fiction novel 'Contact'? Or have you seen the film of the same name starring Jodie Foster? If you have, then you will remember the scene near the end of the film, when the heroine t

发表于:2019-01-02 / 阅读(131) / 评论(0) 分类 英文杂志-Magazine

许多人都曾经说过, 英文要讲得好, 就一定要先学会用英文去思考. 因为英文和中文的词性相差太多, 所以许多英文字汇和中文之间并不是有一对一的对应关

发表于:2019-01-03 / 阅读(118) / 评论(0) 分类 小笨霖英语笔记

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Physics goes to the University of Manchesters Andre Geim and Konstantin Novoselov for their investigations of the two-dimensional material graphene

发表于:2019-01-08 / 阅读(113) / 评论(0) 分类 Scientific American(十)月

Free Smart Phone App Helps Students With Math 费的智能手机APP可以帮助学生学习数学 WASHINGTON School children usually can count on their parents to help them check if their homework is correct. But as students get older and their assig

发表于:2019-01-14 / 阅读(62) / 评论(0) 分类 VOA标准英语2015年(三月)

And the icy grains on the Saturnian beaches are washed by passing traffic. When a moon comes by, it creates a wake just like a motor boat creates a wake that goes behind it. And I kind of imagine the ring particles doing an intricate cosmic dance aro

发表于:2019-01-22 / 阅读(63) / 评论(0) 分类 自然百科2012年

Every year on the beautiful Lindau island of Lake Constance, some of the best of the worlds young scientists meet Nobel Prize winners. As it turned out, this meeting of physicists was a true meeting of minds. And so native created five new films expl

发表于:2019-01-22 / 阅读(84) / 评论(0) 分类 自然百科2010年

There were apparently nonsensical structures of space and time, spat out when Albert Einstein's equations weretaken to their extreme conclusion. Einstein's theory of relativitydoes lead us into very strange and unfamiliar paths. Einstein himself didn

发表于:2019-01-23 / 阅读(92) / 评论(0) 分类 探索与发现2015年

1994年度的诺贝尔经济学奖,授予美国普林斯顿大学数学系的纳什教授等三位对博弈论作出奠基性贡献的学者。好莱坞大制作《美丽心灵》A Beautiful

发表于:2019-01-28 / 阅读(107) / 评论(0) 分类 阅读空间

Katie Couric: Neil Bernstein is a teen psychologist and author of

发表于:2019-01-31 / 阅读(87) / 评论(0) 分类 访谈录

Say it with us: Kids today have it sooooo easy. A new smartphone app will do their math homework for them, provided it's not too complicated. PhotoMath by microblink uses a phone's camera to solve equations and then teaches you the step-by-step metho

发表于:2019-02-02 / 阅读(87) / 评论(0) 分类 阅读空间

2009年的一部3D大片《阿凡达》让很多人都记住了avatar这个词。在网络上搜索这个词,出来的结果大部分也都跟这部电影有关。其实,avatar并不是导演造的一个词,它在印度教中指圣人的化身。

发表于:2019-02-06 / 阅读(104) / 评论(0) 分类 英语口语

'The Romance of a Busy Broker' by O. Henry 忙碌经纪人的浪漫史 by 欧亨利 We present the short story The Romance of a Busy Broker, by O. Henry. The story was originally adapted and recorded by the U.S. Department of State. Pitcher, who work

发表于:2019-02-12 / 阅读(75) / 评论(0) 分类 2016年VOA慢速英语(七)月

台湾籍旅美老师今天交给我们的句子是: Watch and outline your answer before you go in and so that you can answer clearly, concisely and with confidence. 在你进去面试之前,先练习概述答案,这样你才可以有回答地清

发表于:2019-02-21 / 阅读(82) / 评论(0) 分类 留美老师带你每日说英文

He bought a DVD player. He went home. He unplugged the old DVD player from the living room flat-screen TV. He hooked up the new player. He plugged the old player into the 10-year-old TV in the bedroom. His wife came home. She said, Why didn't you jus

发表于:2019-02-22 / 阅读(86) / 评论(0) 分类 英文短篇故事(纽约)
学英语单词
acataphasias
aeration plant
albinos
amira
antiflorigen
appear
aptX
architected
audit of financial revenue
auto cycle
bath-tub curve
battered joint of rail
blue-rinse brigade
bobinet
bonibel
candle-power
cascade-compensation network
Centranthera tonkinensis
classification repair
dardis
Dickon
Dipylon gate
dirtily
double cage type motor
eccritics
ectopia bulbi
El Aguila, Cerro
electrocuting
electron beamexcitation
euthynnus yaito
exercise intensity
expulsion fuse unit
exterior ring
fish net buoy
game misconducts
gap tilt loss
Great Mother of the Gods
growl
high-power drilling machine
homomorph effect
impulse governed oscillator
instrument with optical pointer
kick-off point
leprol
lignum fernambuce
limit of unsurveyed area
lower semi-continuous function
mallarmean
medium section mill
modern packaging technology
modulation transmitter
Mycetoglyphus
neophyllaphis podocarpi
newsracks
noodlings
Novy-Nicolle-MacNeal(medium)
numerical method analysis
opatija (abbazia)
overall electrical efficiency
patricide
phagein
point quadrat
principle of material interests
pure woollen felt
push along
R-joining
railroad
random coincidence
random partition
Rubens
Rubiaceae
rule nisi
sadij (sedich)
screw plough
self-governances
self-induced drift
self-instruction
sharmeen
sinusoidal signal
sleeve wire
space density
Steinach an der Saale
strip mining development
styxes
subspan
superconducting field winding
tempered lead alloy
tender roof
terminado
testing farm
the cellar
toluene dealkylation
transmews
transverse crosstalk
two-state control
ureotelic animals
Villemontel
vineyards
washing-down
Willa Cather
year course
Yermak Point