数学工具

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(83) / 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(66) / 评论(0) 分类 世界节假日博览

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(87) / 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(96) / 评论(0) 分类 VOA2003(上)-科技导航

SHIRLEY GRIFFITH:This is Shirley Griffith. STEVE EMBER: And this is Steve Ember with the VOA Special English program, Explorations. Today we tell about one of the world's greatest scientists, Isaac Newton. (MUSIC) SHIRLEY GRIFFITH:Much of today's sci

发表于:2019-01-03 / 阅读(96) / 评论(0) 分类 2018年VOA慢速英语(九)月

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(95) / 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(246) / 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(124) / 评论(0) 分类 VOA慢速英语2008(十)月

Texting Becomes a Health Tool in Kenya Mobile phone use in Africa has spread far, wide and fast. By the end of last year, it was estimated that 70 percent of the population would have a mobile phone. Now, the International Federation of the Red Cross

发表于:2019-01-14 / 阅读(122) / 评论(0) 分类 VOA标准英语2013年(四月)

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(150) / 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(295) / 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(158) / 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(104) / 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(116) / 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(200) / 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(128) / 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(107) / 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(65) / 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(105) / 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(138) / 评论(0) 分类 听播客学英语
学英语单词
9-nitroanthracene
actress-singer
adjusting bolt
alcyonarian
alkoxy
amphispyris bria
antennifera
anthraquinone diazonium zinc chloride compound
armstand dive
army classification battery
Asparagin
australopithecine
basket signal
body-building apparatus
calcifuge plant
campusing
cannage
Chinese font
co-solvent extraction
contracture of Achilles tendon
corntassel
crocodile skin
current carrying capacity
cut weft
data access register
deep water transducer
deferred-action battery
delete bit
departmental computing
destroying the insects
dimensional restrictions
Double Glacier
efficiency curve
Eisstein
elastic trip
electrically erasable rom
equivalent string
experience table
faizabad
fetta
fixed buoy wave observation
flange lubricator
foresend
genearchs
genus Cetraria
group-system of natural regeneration
harbor entrance patrol
hillenmeyer
instantaneous time
instrument of acceptance
isomorphism of topological group
laurin
malleable iron pipe
marine boring organism
maximal ratio combining
Mayan hieroglyphic writing
mechanical downtime
meyne
microbiological determination
monophenol
monstrances
multidimensional approach
negative A-ignore-B gate
neutral fat
new moons
nonassaulted
nonsupporter
open cornice
ornithocercus quadratus
parallactic correction
pathmakers
pertlle pinnutl
plaggept
plate evaporator
pointing chisel
pollen-bearing
pose a threat to
prince of this world
protozoophag
pseudofactin
Quatrefages'angle
ravel course
recent breeding material
routine urianlysis
second international
sense of humour
setting vessel
Shaymenskiy
Siderno
sideslips
spring ball joint
square-jaweds
stick in one's throat
swirling combustion chamber
tapsters
tenosynovites
tenyear
the Court of Appeals
the fall of the leaf
vapor-cooled generator
vissage
work instruction