n. 【数】外接圆
[网络] 外切圆;外圆;正多边形

With the development of science, human life has changed tremendously. People living in the 18th or 19th centuries would never imagine the advanced household appliances we are now able to enjoy. Every aspect of our lives for instance, in the field of

发表于:2018-11-28 / 阅读(145) / 评论(0) 分类 疯狂英语易背作文

Archaeology is a source of history, not just a bumble auxiliary discipline. Archaeological data are historical documents in their own right, not mere illustrations to written texts, Just as much as any other historian, an archaeologist studies and tr

发表于:2018-12-07 / 阅读(305) / 评论(0) 分类 英语范文背诵20篇

Archaeology is a source of history, not just a bumble auxiliary discipline. Archaeological data are historical documents in their own right, not mere illustrations to written texts, Just as much as an

发表于:2018-12-15 / 阅读(279) / 评论(0) 分类 新东方现代文背诵篇章

PEOPLE IN AMERICA - Louis Kahn, 1901-1974: He Helped Define Modern Architecture STEVE EMBER: Im Steve Ember. BARBARA KLEIN: And Im Barbara Klein with the VOA Special English program PEOPLE IN AMERICA. Today, we tell about Louis Kahn. He is considered

发表于:2018-12-16 / 阅读(82) / 评论(0) 分类 2011年VOA慢速英语(七)月

China's top economic planner says it has no appetite to create any new stimulus packages to shore up the economy. CRI's Ding Lulu explains. The National Development and Reform Commission is playing down the idea of new stimulus. It is meant to cool s

发表于:2018-12-19 / 阅读(69) / 评论(0) 分类 世界各地新闻集锦

Its eleven oclock Sunday morning, and youve just woken up after a late night of carousing. You stumble out of bed, brace yourself on the bathroom sink and blink into the mirror. 现在是周日上午11点,而你刚从前一晚的狂欢过后醒来。

发表于:2018-12-28 / 阅读(62) / 评论(0) 分类 初学者听力文摘精选

[00:00.00]Module 8 IN A MUSEUM [00:07.39]UNIT 1 I'm really excited to be here. [00:12.59]1 Listen and read. Then say. [00:17.92]Thanks for bringing me to the Science Museum [00:20.03]today, Dad. [00:21.66]I'm really excited to be here. [00:24.25]Ther

发表于:2018-12-29 / 阅读(77) / 评论(0) 分类 外研社新标准初中英语九年级

1. circumference /səˈkʌmfərəns/ -- distance around a circle or rounded body; perimeter The circumference of a circle equals times the diameter. 圆周长等于与直径的乘积。 2. circumlocution /ˌsɜ:kəmləʊˈkju:ʃən/ -- roundabout way

发表于:2018-12-30 / 阅读(86) / 评论(0) 分类 突破英文词汇

Johnny, looking out there. What do you see? field, some hay. No, its more than that, mate. Come on, now work with me here. What is it? Honestly man, I just see a field. It's a cosmic canvas. It's a blank supernatural sheet for extra terrestrial art.

发表于:2018-12-30 / 阅读(113) / 评论(0) 分类 国家地理2007年

Why We Walk in Circles? Pin the Tail on the Donkey is always fun when you're watching rather than pinning. It is somewhat surprising to see how the blindfolded performers act. Instead of going straight, they always wander off to one side or the other

发表于:2019-01-02 / 阅读(110) / 评论(0) 分类 双语有声阅读

Jason Lewis pedals his boat up the river Thames After 13 years and 46,000 miles (75,00km) a British adventurer has completed a round-the-world journey using human power alone. Jason Lewis, 40, crossed five continents, two oceans and a sea to become

发表于:2019-01-02 / 阅读(132) / 评论(0) 分类 Take Away English

Education Report - A Living Science Exhibit Grows at a Museum This is the VOA Special English Education Report. Outdoors, in the open air, seems like a natural place to study natural science. It also makes sense in a place like Southern California wh

发表于:2019-01-12 / 阅读(89) / 评论(0) 分类 2012年VOA慢速英语(六)月

Arctic Ice Melting Faster Than Predicted As government officials from eight Arctic nations - the United States, Russia, Canada, Sweden, Finland, Denmark, Norway and Iceland - prepare to meet in Greenland next week to discuss the challenges of climate

发表于:2019-01-14 / 阅读(82) / 评论(0) 分类 VOA标准英语2011年(五月)

A U.S.-based human rights group has raised an uproar with a report arguing that development assistance to Ethiopia may be doing more harm than good by strengthening a repressive government. The report has sparked condemnation in some quarters, praise

发表于:2019-01-14 / 阅读(55) / 评论(0) 分类 VOA标准英语2010年(十一)月

Todd: So Jonathan, I thought we would talk about UFOs. Jonathan: Sure. Todd: So do you believe in UFOs? Jonathan: I think that the chance that there is intelligent life in the universe is overwhelmingly likely. But I don't think they're constantly vi

发表于:2019-01-20 / 阅读(93) / 评论(0) 分类 原版英语对话1000个

By Cynthia Kirk ENVIRONMENT REPORT - April 26, 2002: Arctic Refuge Drilling This is the VOA Special English ENVIRONMENT REPORT. The Democratic-controlled United States Senate has voted to block explor

发表于:2019-01-30 / 阅读(107) / 评论(0) 分类 健康与环境

音乐咖啡厅:Will Young - Disconnected 相关介绍:Will Young 在2002年赢得首届英国流行偶像比赛而成名,他是歌手和演员,他在2002年3月公开自己的同性恋身份,和有才的Sam Sparro、Clay Aiken 一样,对于自

发表于:2019-02-05 / 阅读(144) / 评论(0) 分类 音乐咖啡厅

我们今天来讲几个描绘不同言谈方式的习惯用语。第一个是: talk in circles。 Circle意思是园圈,中文也有说话绕圈子的说法,意思是说话不直截了当,迷惑听话的人。 我们通过个例子来体会英文

发表于:2019-02-05 / 阅读(91) / 评论(0) 分类 美国习惯用语

China's top economic planner says over 90% of the results on the outcome list released after last year's Belt and Road Forum for International Cooperation have been implemented. The comments were made at a press conference on Wednesday, one day after

发表于:2019-02-14 / 阅读(65) / 评论(0) 分类 2018CRI中国国际广播电台

A senior official with the National Development and Reform commission stresses that cross-border capital flow is changing within a reasonable range. Zhao Chenxin says the RMB exchange rate against a basket of currencies generally remained stable and

发表于:2019-02-21 / 阅读(89) / 评论(0) 分类 2016CRI中国国际广播电台
学英语单词
a near miss
abron
Achirinae
ALD-A
aspiration syndrome of newborn
asshole buddy
asymmetrical step function
axle driven compressor
bed-times
blow the expense
Cap Horn Seamount
cineplastized
circuit switching concentration
code or answering flag
commoditizing
common thorn apple
congenital atresia of ejaculatory duct
connector node
consecutive computer
constant speed method
contact welder
corneal cancer
correc
count on me
cross figure
Cyperus szechuanensis
cysteamines
data ransmission receiver
daylightful
deck plate girder
desmopterids
Devejyan
dioxoles
dominant degree method
double-link jib
Drypetes arcuatinervia
Dumfries sand-stone
etamsylate
express dilivery
extrafreight
Farīdpur Dist.
Femodene
foggier
foofoo
four-bar
gentle and quiet
geometrical attenuation
grid shielding can
hairy-chested
internal medullary lamina
Karachi
laterality discrimination test
lime cake drainage
lind
line-sequential transmission
littie
Los Alamitos
lottia gigantea
Mannebach
markless
mechanism of intumescence
MONAL (mobile nondestructive assay laboratory)
monoclate
octyltrimethylsilicane
overlapping community
overspecializations
Pauli paramagnetism
picket-point method
pre-agkistrodotoxin
proffe
quilted bedspread
Qur'an
receiving report
registration law
repeater spacing
request library definition
reverse current protecting equipment
ring width variation
rod select block
second order filter
semiconductor heat conductivity
Sinosenecio trinervius
slacklines
static catalytic cracking
swing riot
teeter-totters
through train with empty cars
thumpity
total disolved solid
transaction-cost
ulomi
undisclosable
unlighted buoy
unsoul
Urtica urens
useful compression ratio
utilization factor of man-hour
vacuum switchgear
wayang wong (indonesia)
withdrawing the pattern
yellow