数学概念

Improve Your Writing by Using Concept Maps English learners face a common problem: their writing often lacks clarity and cohesion. That is according to Babi Kruchin and Alan Kennedy who teach at the American Language Program at Columbia University. T

发表于:2018-12-16 / 阅读(159) / 评论(0) 分类 2016年VOA慢速英语(九)月

The Mathematical Bridge 没有铆钉的数学轿 The Mathematical Bridge was built in 1749 by James Essex the Younger to the design of William Etheridge. It had subsequently been rebuilt to the same design in 1866 and 1905. 数学桥是1749年詹姆斯

发表于:2018-12-18 / 阅读(152) / 评论(0) 分类 走进剑桥大学

Pi Day is on March 14. This is the day when mathematicians and geometry enthusiasts around the world get together and celebrate the mathematical constant of Pi. There are two good reasons to hold Pi Day on March 14. The first is that in the American

发表于:2018-12-29 / 阅读(126) / 评论(0) 分类 世界节假日博览

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 facilitate [ fE5siliteit ] The broken

发表于:2018-12-30 / 阅读(216) / 评论(0) 分类 每日攻克5词

By Jerilyn Watson Broadcast: November 20, 2003 This is Steve Ember with the VOA Special English Education Report. Educational gardens called

发表于:2019-01-02 / 阅读(150) / 评论(0) 分类 VOA2003(下)-教育与新闻

Broadcast: May 16, 2003 By George Grow This is the VOA Special English Environment Report. Scientists in the United States have developed a computer program that they say could provide an early warnin

发表于:2019-01-02 / 阅读(166) / 评论(0) 分类 VOA2003(上)-科技导航

76 华盛顿国际数学奥林匹克竞赛 DATE=7-27-2001 TITLE=AMERICAN MOSAIC #828-International Math Olympiad BYLINE=Nancy Steinbach HOST: (Start at 0'54

发表于:2019-01-06 / 阅读(201) / 评论(0) 分类 文化聚焦

[00:00.00]5 We all have genius within us [00:04.35]For years,scientists have speculated [00:06.66]that the talents possessed by [00:08.13]so-calledidiots savants- [00:10.46]as depicted by Dustin Hoffman in the film [00:12.97]Rain Man-may be accessibl

发表于:2019-01-10 / 阅读(365) / 评论(0) 分类 北师大版高中英语模块10(选修)

This is the VOA Special English Health Report. Governments, businesses and other groups have promised to add three billion dollars to the fight against malaria. The promises came last week at a meeting at the United Nations in New York. The money wi

发表于:2019-01-11 / 阅读(193) / 评论(0) 分类 VOA慢速英语2008(十)月

听力题目: 7. (A). Alex did fine in calculus. (B). Calculus was hard for Alex. (C). Alex had trouble getting to math class. (D). It used to be difficult for Alex to find us. 8. (A). Why is California so popular? (B). California is my favorite st

发表于:2019-01-18 / 阅读(221) / 评论(0) 分类 托福听力单句训练

1. What college are you attending? 2. What are you majoring in? /What's your major? 3. What grade /class〖年级和班级〗are you in? 4. What school did you go to? /Where do you go to school? 5. How many courses are you taking this semester? 6. I'

发表于:2019-01-21 / 阅读(381) / 评论(0) 分类 天天商务口语

[00:00.00]Listening Comprehension (20 minutes) [00:-1.00]Section A [00:-2.00]Directions:In this section,you will hear 10 short conversations.At the end of each conversation,a question will be asked about what was said.Both the conversation and the qu

发表于:2019-01-25 / 阅读(234) / 评论(0) 分类 英语六级听力练习集锦

The Medical Sciences Division is the largest academic division in the University of Oxford, and also an internationally renowned centre for biomedical and clinical teaching and research. 医学部是牛津大学最大的学部,也是一个国际知名

发表于:2019-01-29 / 阅读(171) / 评论(0) 分类 走进牛津大学

EDUCATION REPORT - Intel Science Talent Search Winners AnnouncedBy Nancy Steinbach Broadcast: Thursday, March 23, 2006 I'm Steve Ember with the VOA Special English Education Report. An eighteen-year-o

发表于:2019-01-30 / 阅读(180) / 评论(0) 分类 2006年慢速英语(三)月

EDUCATION REPORT - Teen Taught by Mom Wins Top Science Competition By Nancy Steinbach Broadcast: Thursday, December 15, 2005 I'm Faith Lapidus with the VOA Special English Education Report. A sixteen-

发表于:2019-01-30 / 阅读(295) / 评论(0) 分类 教育与新闻

You might not think that mathematicians have anything particularly relevant to say about your love life. But you'd be wrong--if we're talking about James Murray, a mathematician at the University of Washington in Seattle who teamed up with Psychologi

发表于:2019-01-31 / 阅读(193) / 评论(0) 分类 英语杂谈

结石怎么说 如果说,calculus(微积分)还有一层含义,即表示日常最令人痛之欲绝的结石,您会不会很很惊异?calculus(微积分)和calculus(结石)之间从词源上讲有无联系呢?今天的词海拾贝

发表于:2019-02-07 / 阅读(193) / 评论(0) 分类 英语口语

Gabrielle: Hi, Annili! How are you today? Anili: Oh, I'm fine. Gabrielle: Good! Hey, I love your scarf! Anili: Oh, my scarf! Gabrielle: Yeah, where did you get it? Anili: Oh, I bought this scarf in Sydney. Gabrielle: Oh, OK. So, Sidney is your hometo

发表于:2019-02-13 / 阅读(120) / 评论(0) 分类 英语趣味课堂

HARI SREENIVASAN: Returning now to the death of Nobel Prize-winning mathematician John Nash. I'm joined by Nash's colleague and friend Robbert Dijkgraaf, director of the Institute for Advanced Study in Princeton, New Jersey. So, first off, my condole

发表于:2019-02-17 / 阅读(177) / 评论(0) 分类 PBS访谈社会系列

In todays podcast, I am going to talk about the English word mind, and about some expressions which contain the word mind. Your mind means the things which happen inside your head, or inside your brain your thinking, in other words. We can say, for e

发表于:2019-02-19 / 阅读(198) / 评论(0) 分类 听播客学英语
学英语单词
ablation test
alternation of slope and terrace
anti-welfares
antiwelding compound
art stoneware
attext
baltimores
baltsol
bijakovici
brute force cracking
caller dependent capability
catarrhus aestivus
CCVs
certified coal tar colo(u)r
chain orientational disorder
charge coupled
claw-liker
conveyer screw shaft coupling
critical point
cubic content
defieth
diagnostic scan
differential-white count
Earnslaw, Mt.
eighteen-years-old
engineering physics
equatorial convergence
ethyl phenylhydrazine
exert pressure upon
fantasticalness
feel your age
foster home for delinquent children
furnace tender
gage widening
gelatinous varix
geo-economics
hardness Barcol
hiduous
horn-piper
hot facility
in setting the mutual accounts
le carres
led horse
like a hog on ice
linearity distortion correction circuit
Lithospermum canescens
low-loaders
lying under oath
magnelin
mailcom
millimeter
minibonds
Nasso's tests
not fair
Nothaphoebe konishii
Olividae
on account of something
Orange R.(Oranjerivier)
pattern cracking
peroxidisulfate
pill cutter
plain frame core box
platycogenic acid
ploughs on
post-Newtonian
problems of multicollinearity
proocyte
protocluster
Ranodon sibiricus
rapid river
reciprocation cycle
reentry systems environmental protection
revehent vein
RightMargin
Rujaylah
scaptodrosophila minima
sealed chamber
sedimentological
seedat
smaller green leaf hopper
smooth muscles
sodium benzene sulphinate
solution regrowth process
Spaetlese
spectrocomparator
spiridion
supracardinal veins
swift as thought
temperature record
terahertz (thz)
thallium oxide
the polish ballet
tidal island
translation of foreign currency
Transvaal daisy
unacquirable
unexpected error
up counter
usdoi
valve reseater
whiteacres