曲线的切线方程式

阿尔伯特爱因斯坦(1879.3.14-1955.4.18)犹太裔物理学家。他于1879年出生于德国乌尔姆市的一个犹太人家庭(父母均为犹太人),1900年毕业于苏黎世联邦理工学院,入瑞士国籍。1905年,获苏黎世大

发表于:2018-12-04 / 阅读(90) / 评论(0) 分类 英语名人堂

Information is good, and information in context is very good. The calories, I'm a big fan of calories post on menu board, but most people think they are supposed to eat 2000 calories because nutritional labels are always based on 2000 calories a diet

发表于:2018-12-11 / 阅读(102) / 评论(0) 分类 访谈录2010

[00:02.70]Unit 20 New Frontiers [00:06.15]Lesson 3 Scientific Breakthroughs [00:10.11]PIONEERS OF SCIENCE [00:12.16]In the summer of 1905, [00:14.40]a young man was sitting at home [00:15.97]after a day's work. [00:18.04]While rocking his one-year-ol

发表于:2018-12-13 / 阅读(175) / 评论(0) 分类 北师大版高中英语模块7(选修)

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(163) / 评论(0) 分类 2016年VOA慢速英语(十)月

Estranged Family Gets Sports Fix in 'Trouble With The Curve' In Trouble With The Curve, Gus Lobel knows more about scouting new talent for baseball teams than anyone else in the business; but his failing eyesight and old-fashioned attitudes may end h

发表于:2018-12-16 / 阅读(138) / 评论(0) 分类 VOA标准英语2013年(一月)

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(118) / 评论(0) 分类 蒋健棠教你听英语广播

After suffering a life-threatening illness, singer-songwriter Mary Chapin Carpenter had time to reassess her priorities. She came to believe in more fully appreciating the blessings each day brings From NPR News, this is weekend edition. I am Liane

发表于:2018-12-19 / 阅读(126) / 评论(0) 分类 2007年NPR美国国家公共电台

This is Scientific Americans 60-Second Science, Im Cynthia Graber. This will just take a minute. Not too long ago, scientists had to hoof it to the library to review the literature. And they had to flip through a card catalog to find that dusty old v

发表于:2018-12-24 / 阅读(83) / 评论(0) 分类 Scientific American(七)月

P: Hey Yang Chen why are you playing Hail to the chief? I thought we were a sports show - are we going political? Y: Not really. You see, Patrick, the presidential election is in its final stretch - the home stretch - the final lap - just like in长跑

发表于:2018-12-25 / 阅读(163) / 评论(0) 分类 体育美语

to throw a curve to throw for a loop 美国人在打棒球时经常喜欢发曲线球,使球的方向会发生突变,这样给对方造成错觉,不能回击那个球。这和其他球类运动,

发表于:2019-01-07 / 阅读(225) / 评论(0) 分类 美国习惯用语

[0:0]entertain招待,款待 [0:11.2108]entertainment enthusiasm entitle entry娱乐,文娱节目 热情,热心 给...权利,给...资格 参赛的人 [1:7.0247]environment envy equality equation环境,周围状况 忌妒,羡慕 相等,相同 议程,等式 [1:59.5258]equivalent era erect err

发表于:2019-01-16 / 阅读(233) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

Five For Fighting - Chances Chances are when said and done Who'll be the lucky ones Who make it all the way? Though you say I could be your answer Nothing lasts forever No matter how it feels today Chances are well find a new equation Chances roll aw

发表于:2019-01-16 / 阅读(95) / 评论(0) 分类 影视英文歌曲

mathematics 数学 theorem 定理 calculation 计算 operation 运算 arithmetic 算术,四则运算 addition 加法 subtraction 减法 multiplication 乘法 division 除法 sum 和 remainder 余 pro

发表于:2019-02-03 / 阅读(93) / 评论(0) 分类 英文语法词汇

今天又要学两个在总统大选年里新闻界时常会用到的习惯用语,而且这两个习惯用语还是从美国人最心爱的消遣活动: 棒球赛中借用来的。 这两个习惯用语都和用牛皮制成的结结实实的棒球有

发表于:2019-02-05 / 阅读(399) / 评论(0) 分类 美国习惯用语

音乐咖啡厅:Justin Bieber - Common denominator 相关介绍:My World是少年歌手贾斯汀比伯(Justin Bieber)的个人首张专辑,将于11月17日发行。年仅15岁的贾斯汀比伯(Justin Bieber)来自加拿大,是由Usher一手捧红

发表于:2019-02-06 / 阅读(182) / 评论(0) 分类 音乐咖啡厅

简历中应该包括的最重要的一点就是你的自我评价(value proposition)。 Your unique ability to solve business problems, meet challenging goals, and produce desired results should be the focus of your qualifications summary and th

发表于:2019-02-06 / 阅读(106) / 评论(0) 分类 求职英语

音乐咖啡厅:Dru Hill - Away 相关介绍:Dru Hill是一只来自美国的组合,在90年代后期最受欢迎,其演奏曲目包括蓝调,灵歌,福音音乐。1992年成立于马里兰州的巴尔的摩,自此一直活跃于乐坛,以

发表于:2019-02-14 / 阅读(168) / 评论(0) 分类 音乐咖啡厅

远离起床气 The Far Away Alarm Trick 把闹钟放远 The problem with alarm clocks is that they come with a snooze button. So while you're in your most groggy state,you're literally being given the option to make that infuriating sound cease to e

发表于:2019-02-16 / 阅读(117) / 评论(0) 分类 英语听力广播—Listening

Teaching, especially these days, is hard work. From long hours, to low pay, to lack of proper resources, and so much more the challenges of the teaching profession are endless. Teachers take on this tough work day after day, year after year. Until, s

发表于:2019-02-18 / 阅读(152) / 评论(0) 分类 英语新闻

Hello and welcome back to English with Lucy. 哈喽,欢迎回到跟露西一起学英文。 Today we have another episode of my fabulousFive Common British Expressions. 今天,我们将讲我最爱的另一集五种常见的英式英文用语。

发表于:2019-03-02 / 阅读(99) / 评论(0) 分类 欧美人文风情
学英语单词
Acquisition Premium
ailanthuses
air sluice
anticorrosive varnish
antimodern
bear paws
bike-shedding
blackout powder
blennorrhea
brake rod spring
Brds
browet
buttery bar
Bwesa
cabora bassa (cahora bassa)
calcium cloud
Cercopithecus aethiops
Charco Azul, B.de
chrysostoma
cleanup filter demineralizer
control of order-getting costs
coulomb-meter
crowdions
designy
direct pulp capping
directcoupled amplifier
discontinuous ship section
discurtain
ecologistas
effective plate height
Elmore County
ever-larger
exhaust-gas recirculation(egr)
fatherless
four-seasons
Frost count
general price-level adjustments
gliding structure
hardwood cutting methods
high-gain loop
histone acetylase
home robot
hully
humid equatorial climate
hunter-driffield graph
in any sort
indirect method of teaching
insulopathic
isothermic-shell calorimeter
Kazachye
laser searchlight
lauzon
leged
Leptaleum
Lucala
magnetic surface recording
mapk-pathway
mean blood pressure
Mikrá Airport
monotonic functional
MTR (mean time to repair)
multiprocessor address register
NA2CO3
narrowy
neccc
new tire dimension
Nonghyup
nonscheduled maintenance time
normozoospermic
porcelain fuse
preference table
price per kilowatthour
psychological primary
pulp and paper industry
railway statistics
ratiograph
repetition instruction
rough coating
Schlier
sedimentation potential difference
slighten
small-scale commercial planting
sow gapeseed
spacer ball
statistical control graph
stigers
sting poison
strain-gages
systemic arch
the most conspicuous early sign of attack
titrability
Umix
unhire
unreasonable taxation
upgrading course
urorectal septa
user_accesses
vestigium proceseus vaginalis
water gage steam pipe
With's organ
yolk envelope