音标:[ɔp'tisiti] ;
旋光性, 光偏振性

opticity的用法和样例:

例句

用作名词(n.)
  1. The opticity of mannitol and sorbitol in the borax solution is studied in the course of synthesizing mannitol and sorbitol by cathodic reduction of glucose.在阴极还原葡萄糖研制甘露醇和山梨醇的过程中对甘露醇和山梨醇在硼砂水溶液中的旋光性进行了研究。

30.Why Do They Drop out of School? Nowadays,some students in rural areas drop out of school because of poverty.In some remote parts of the countryside,many families are too poor to afford their childrens education,but some parents also think that ear

发表于:2018-11-28 / 阅读(432) / 评论(0) 分类 疯狂英语易背作文

By Greg Flakus New Orleans 18 February 2006 Mardi Gras celebrations get under way in New Orleans this weekend, although on a much smaller scale than in past years. The city is still recovering from th

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美国总公司代表Pete来北京视察,由中国雇员Jack接待。 Jack: Good evening, Pete. I trust you had a nice siesta. Pete: Yes. It was just what the doctor ordered. J: I'd like you to meet Henry Johnson. Mr. Johnson has been working at ou

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美国总公司代表Pete来北京视察,Jack和Henry陪他出去吃饭。Jack 说, J: You two gentlemen wait here for a second and I'll go make reservations and pick up the car. H: Alright. So Pete...first time in China? P: Second. The first tim

发表于:2018-12-25 / 阅读(241) / 评论(0) 分类 礼节美语

By Crystal Park Las Vegas, Nevada 03 January 2006 watch Las vegas report Las Vegas, in the western state of Nevada, is one of the most popular tourist destinations in America and the world. It attract

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By Patricia Nunan Bombay 06 March 2006 The world's population is booming - no more so than in its cities. Within the next 10 years, there will be at least 22

发表于:2019-01-06 / 阅读(336) / 评论(0) 分类 2006年VOA标准英语(三月)

By Suzanne Presto Irbil 17 June 2008 Iraqi government forces are preparing for the next phase of a planned crackdown on militants and outlaws in the capital of southeastern Iraq's Maysan province. VOA's Suzanne Presto reports from the northern city

发表于:2019-01-13 / 阅读(260) / 评论(0) 分类 VOA标准英语2008年(六月)

A new international initiative to increase grain crop yields could help raise incomes for six million farmers in South Asia and combat hunger in one of the poorest regions of the world. Indian farmer women winnow mustard crop at Baraikapurva village

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Recent public opinion polls show continuing faith in President Barack Obama, despite a daily drumbeat of bad economic news. But political experts warn that the public will not remain patient forever. President Barack Obama Americans cannot get away

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New census figures for the Midwest U.S. state of Michigan show dramatic population declines. Michigan was the only state in the 2010 census to lose people. Its biggest city, Detroit, once the fourth largest in the nation, is now the 18th largest. Tha

发表于:2019-01-14 / 阅读(245) / 评论(0) 分类 VOA标准英语2011年(三月)

Population Reflects Economic Woes in One US Town The city of Gary, Indiana, was founded in 1906 by the head of the United States Steel Corporation, Elbert H. Gary. U.S. Steel continues to operate a massive plant along the shores of Lake Michigan, tho

发表于:2019-01-14 / 阅读(266) / 评论(0) 分类 VOA标准英语2011年(八月)

1. according to a recent survey, four million people die each year from diseases linked to smoking. 依照最近的一项调查,每年有4,000,000人死于与吸烟有关的疾病。 2. the latest surveys show that quite a few children have unp

发表于:2019-01-17 / 阅读(236) / 评论(0) 分类 英语口译

Multiculturalism is everywhere today. As the world gets smaller, multiculturalism becomes bigger. Few of us today live in towns in which there is only one culture. Today, we live in towns where we are surrounded by many other cultures. If we live in

发表于:2019-01-21 / 阅读(238) / 评论(0) 分类 纯正英语一分钟

By Barry Newhouse Irbil 10 May 2007 Wednesday's suicide truck bombing in the northern Iraqi city of Irbil was the city's first major bomb attack in two years. VOA's Barry Newhouse reports from Irbil on why residents believe the city has been relative

发表于:2019-01-31 / 阅读(265) / 评论(0) 分类 2007年VOA标准英语(五月)

By Nancy-Amelia Collins Jakarta 06 May 2008 Indonesia is considering leaving the Organization of Petroleum Exporting Countries, because of the country's declining crude oil output. VOA's Nancy-Amelia Collins in Jakarta has more. Indonesian President

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By Greg Flakus Merida, Mexico 13 March 2007 Merida, Mexico, is the last stop on President Bush's tour of Latin America. There he will meet with Mexican President Felipe Calderon, who shares many of Mr. Bush's views on free markets, trade and develop

发表于:2019-02-03 / 阅读(372) / 评论(0) 分类 2007年VOA标准英语(三月)

By Scott Stearns White House 14 March 2008 President Bush says he is confident that a series of tax rebates and business incentives will help ease the pain of a slowing U.S. economy. VOA White House Correspondent Scott Stearns has the story. With the

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Russian officials say 88 people were killed early Sunday when a Boeing 737 crashed in the Ural mountains just outside the Siberian city of Perm. The passenger jet was getting ready to land after making the trek eastward from Moscow. Emma Stickgold h

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Typhoon Son-Tinh wreaks havoc in south China BEIJING, Oct. 29 (Xinhua) -- Son-Tinh, the 23rd typhoon of the year, wreaked havoc in south China, damaging crops, flattening houses and forcing the evacuation of tens of thousands of people. Influenced by

发表于:2019-02-18 / 阅读(256) / 评论(0) 分类 英语新闻

Supreme Court justices from China and 16 Central and Eastern European countries have gathered in Suzhou city in East China's Jiangsu province for -- The Conference of the Presidents of the Supreme Courts. Chinese president Xi Jinping sent a congratul

发表于:2019-02-25 / 阅读(270) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
acalolepta rusticatrix formosensis
alcohometry
all fingers and thumbs
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antifox
Arteria gastroduodenalis
bacilli
back-bearings
baika
barbicalyx
basic highway capacity
Beflavin
bogon filtering
boom-and-bust of economics
Brereton scale
Campo Sanguina
Campylotropis latifolia
Capronale, Col de
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chondrosin(e)
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colectivo
committed burst size
continuous strand annealing
crimped connection
dermatotropic
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discourse function
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displacement of responsibility
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dynamic-error
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echo sourding
engyscope
entry for home use
european white birches
extended style
extensible vax editor
external eonomy
extractivetitration
flavour potentiator
fluid-friction
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golden samphire
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human-being
iexplore
jump term
kronen
Lehar
leucocyan
main platform
make a point clear
maoricardium setosum
minimum altitude
multi-robot system
Mycetia longiflora
nitromethane-oxygen mixture
non-elastic closure
number of replication
Nymphaea candida
oceanographer
organic geology
Pedicularis gruina
pelvic cavity
periscopic wind gage sight
petrolist
Pole Breaker
positioned plug valve
praefectuss
receptivity
report designer
rondelle
screw-down
sentence disambiguation
sheet-fed rotogravure
spinipetal
starlore
telegraph switchboard
the contrast
the Pacification Guards
thermal efficiency of electricity supply
Thurber
topological kernel
trappose
twta (traveling-wave tube amplifier)
uniflow type scavenging engine
unwholly
vaccariello
Van Bogaert encephalitis
vehicle production
vibroscope
view-point
wbls
wellsted
wire-record
wool staple
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