(conchoid 的复数) n. 蚌线
plural of conchoid
n. A curve, of the fourth degree, first made use of by the
Greek geometer, Nicomedes, who invented it for the purpose of
trisecting an angle and duplicating the cube.

A: We made it! B: Great! There so much I want to play on. A: What do you want to do first? B: Lets go down the slide. A: Make sure youre careful. B: This is great! A: Howd you like the slide? B: The slide was so much fun. A: What would you like to do

发表于:2018-12-02 / 阅读(172) / 评论(0) 分类 英语情景对话-邻居

A: Were here! B: I want to go play! A: What do you want to do first? B: I want to go down the slide. A: Dont run, and be careful. B: I will. This is so much fun. A: Did you enjoy the slide? B: Yes. It was great. I went so fast. A: What else do you wa

发表于:2018-12-02 / 阅读(171) / 评论(0) 分类 英语情景对话-邻居

A: Here we are! B: Hurray! We finally made it to the park. A: What do you want to play on first? B: I want to go on the slide. A: All right, but be careful. B: Im having so much fun. A: Did you like the slide? B: I slid down it fast. A: Now what do y

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The Pyramids in Cairo are my favourite buildings in the whole world. I knew all about them when I was very young. They have always fascinated me. They really are one of the worlds wonders. People still dont know how they were built. I think they are

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Louise and Neil had been dating for three years. She was 40, and he was 50. They wanted to get married and have two kids as soon as possible, but there was a problem. They disagreed on how they would raise their kids. Because Louise had a high-paying

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By Steve Schy Fitzerald Tennis Center, Washington 02 August 2006 American tennis icon Andre Agassi was here in the nations capital this week to play in the Legg Mason Tennis Classic. It was one of his final appearances before he retires after the U.

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According to UNAIDS(联合国艾滋病规划署)estimates there were 38.6 million adults and 3.2 million children living with HIV at the end of 2002, and during the year 5 million new people became infected with the virus. Around half of all peop

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By Yi Suli Roxbury, Massachusetts 08 August 2006 watch Kids Gym report Brandy Cruthird started the Body By Brandy fitness center Body By Brandy has the first children's gym in Boston. It is being called a big step in fighting childhood obesity. And

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By Naomi Schwarz Thies, Senegal 19 June 2007 Kids who live in the streets are a growing problem in West African cities. Troubled youths, orphans, and children with family problems often run away from their homes in small villages and wind up in citie

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VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Shirley Griffith. This week on our program, we bring you some laughs from old-time American radio shows. Bud Abbott, left, and Lou Costello LOU COSTELL

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By Margaret Besheer Irbil, Iraq 28 December 2006 Saddam Hussein sits in court in Baghdad Former Iraqi President Saddam Hussein, who faces hanging before the end of January, has written a letter to the Iraqi people, urging them to unite and saying he

发表于:2019-01-12 / 阅读(172) / 评论(0) 分类 2006年VOA标准英语(十二月)

By Paul Sisco Washington, DC 26 July 2006 watch Water Purification report Villagers in Iraq are better off today, thanks in part to NASA engineers from the Marshall Space Center in America's deep south. ------- Concern for Kids is a non-profit organ

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Immigrant-Friendly NYC Mayor Pushes Official IDs for All NEW YORK Immigration advocates in the United States continue to press for sweeping reforms that will clear a path to citizenship for all immigrants, including those without valid visas, and gra

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Hanna: So, next week I have to do a debate in my finance class. Diego: Oh, really, what is your debate about? Hanna: Our debate topic is about whether we should teach finance to kids, so things like investment and the stock market. Things like tax. D

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Todd: OK, Simon, I was wondering you know, you have a newborn son and before you know it, he'll probably be 10 years old, 12 years old, and I wonder if his life will a lot different than it was for us when we were 10 or 12. Like for example, educatio

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Joel: So, you're from a smaller island. What kind of concerns do people on your island have or what kind of concerns do you have? Patricia: For the world you mean? Joel: Right. Right. Patricia: Well recently, when I was in high school I had a friend'

发表于:2019-02-18 / 阅读(108) / 评论(0) 分类 原版英语对话1000个
学英语单词
Alpinia strobiliformis
annualar arrangement of counter
as blithe as a lark
attenuation region
average range
benzo chrome brown g
bipaprous
botew
Brosombra
brute force filter
Bukum, Pulau
cashion
Chondrodendron tomentosum
civil aviation regulation
conditioned lethal mutation
count of reed
cyprinoid
denominational education
dewry
dindica taiwana
diothelism
double eagle
drum wheel
dukts
emptying valve
encrypted key
engineering inspection specification
esperanzaite
four-hundred-days clock
full-screen processing
Garrobo
giant petrel
hauges
high phosphorous cast iron
hillscape
i-sweled
immunoisolated
impendence
in full sail
insulator- superconductor transition
interstitial cell-tumor
leilah
liebfrauenkirches
lime-calcination reactor
links bar
lu-lu session type
magnet roller
milksopping
mine ventilation
mixed-strategy equilibrium
musculi semispinalis cervicis
Myocoptes
Neanderthal man
new corporatism
olcans
openframeworks
outtops
payment gateway certification authority
plead for
polydisperse fluidization
precast wall-panel
present writer
Preservation Of Capital
privileger
probe the air
programming environment
quarantine weeds
quinaldine
raw material intake system
recursive function
register of income account
sales convention
scleroderms
secretogranins
series statement
servosimulator
shape-elastic scattering
shawangunk
shell type motor
single government fee
snuff-taker
solid expansion thermometre
spark-killer
SSU
standard instrument approach (sia)
stercoral colic
suffocates
suppression pool spray
taphrina mume
thof
thoughtful
trade pact
Turabah
turning table
unipolar field-effect transistor
universal back rest
unlasered
unroofed coronary sinus syndrome
welfare function
xenon burnout
yard-goods
zetterlund