音标:[,pli:ә'mɔ:fizәm] ;
[化] 同质多晶
n. (biology) the appearance of two or more distinctly different forms in the life cycle of some organisms
词型变化:名词复数形式 : pleomorphisms
词性分布:
名词100%
【近义词】

Three centuries later, shortly before the birth of Christ, Egypt was still ruled by a living goddess, Cleopatra, a Greek 1) descended from one of Alexander’s generals. She looked back to the Golden

发表于:2018-11-28 / 阅读(896) / 评论(0) 分类 疯狂英语2002年

DOUG JOHNSON: Im Doug Johnson. FAITH LAPIDUS: And Im Faith Lapidus with EXPLORATIONS in VOA Special English. Mars Day at the Smithsonian Air and Space Museum in Washington is a celebration of our solar systems most famous planet. The event, on July s

发表于:2018-12-07 / 阅读(511) / 评论(0) 分类 2010年VOA慢速英语(七)月

Todd: So, Shifani, you are an expert in urban planning, and more specifically, in transport. What do you envision in the future, let's say, in fifty years from now? Shifani: Fifty years from now is quite a long time to project, but future cities woul

发表于:2018-12-25 / 阅读(482) / 评论(0) 分类 原版英语对话1000个

By Jeri Watson and Caty Weaver Broadcast: December 26, 2004 (MUSIC) VOICE ONE: Im Steve Ember. VOICE TWO: And Im Faith Lapidus with People in America in VOA Special English. Today we tell about five special people who died during the past year. We st

发表于:2019-01-01 / 阅读(711) / 评论(0) 分类 名人轶事

By Mignon Fogarty I decided to write about comma splices because my friend Scott Sigler has a book coming out this week, Ancestor, published by Crown. Over three years ago, when he was publishing an earlier version of the book with a smaller publishe

发表于:2019-01-02 / 阅读(665) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. Today's topic is how a verb and an adverb messed up the inauguration. I took a break from work Tuesday to watch Barack Obama's inauguration, and like millions of other people, I saw a bit of confusion between Chief Justice John Rob

发表于:2019-01-02 / 阅读(609) / 评论(0) 分类 英语语法 Grammar Girl

by Mignon Fogarty Today, I'm gonna get crazy. I said that if people wrote reviews at iTunes, I would split infinitives, and you wrote a lot of reviews. So, to say thank you, I'm going to purposefully split as many infinitives as I can! My secret, tho

发表于:2019-01-02 / 阅读(790) / 评论(0) 分类 英语语法 Grammar Girl

ECONOMICS REPORT - When Newspapers Lie (About How Many People Read Them) By Mario Ritter Broadcast: Friday, November 05, 2004 This is Gwen Outen with the VOA Special English Economics Report. The big

发表于:2019-01-02 / 阅读(663) / 评论(0) 分类 健康与经济

By Noel King Kigali 08 September 2007 Humanitarian aid groups are sounding the alarm as fighting in the eastern Democratic Republic of Congo forces tens of thousands of civilians from their homes in North Kivu Province. Noel King has more in this rep

发表于:2019-01-09 / 阅读(863) / 评论(0) 分类 2007年VOA标准英语(九月)

This is the VOA Special English Health Report. Researchers say more than half of young people who use MySpace often discuss high-risk behaviors. Two studies of the social networking site recently appeared in the Archives of Pediatric and Adolescent

发表于:2019-01-11 / 阅读(501) / 评论(0) 分类 VOA慢速英语2009年(二)月

This is the VOA Special English Economics Report. April is National Financial Literacy Month in the United States. As the country faces a deep recession, Americans are paying closer attention to personal finance. Some critics partly blame the crisis

发表于:2019-01-11 / 阅读(495) / 评论(0) 分类 VOA慢速英语2009年(四)月

FAITH LAPIDUS: Im Faith Lapidus. STEVE EMBER: And Im Steve Ember with PEOPLE IN AMERICA in VOA Special English. Today we remember six interesting people who died in the past year. FAITH LAPIDUS: We start with Elizabeth Edwards. She was the wife of fo

发表于:2019-01-11 / 阅读(627) / 评论(0) 分类 2011年VOA慢速英语(一)月

Split Tribal Allegiances Deepen Yemen's Crisis As battles in Yemen raged Thursday, the deadly fighting in the streets of the capital between forces loyal to President Ali Abdullah Saleh and members his own tribe highlights some deeply personal faultl

发表于:2019-01-14 / 阅读(697) / 评论(0) 分类 VOA标准英语2011年(六月)

EXPLORATIONS - How the Internet Grew from a Simple Idea By Paul Thompson Broadcast: Wednesday, April 06, 2005 (MUSIC) VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA

发表于:2019-01-16 / 阅读(745) / 评论(0) 分类 Explorations

Todd: So, Shifani, you are an expert in urban planning, and more specifically, in transport. What do you envision in the future, let's say, in fifty years from now? Shifani: Fifty years from now is quite a long time to project, but future cities woul

发表于:2019-01-25 / 阅读(549) / 评论(0) 分类 英语趣味课堂

Spain's acting interior minister says the suspected ringleader behind the March 11 train bombings in Madrid killed himself as police closed in on him. He and others who blew themselves up were prepari

发表于:2019-01-31 / 阅读(648) / 评论(0) 分类 VOA2004(上)--各类新闻

-Every year from July 6 through 14, hundreds of thousands of revelers, dancing to traditional pipe bands, pack into the center of Pamplona to kick off Spain's most famous bull-running fiesta in honor of the Navarre capital's patron saint, San Fermin.

发表于:2019-02-04 / 阅读(568) / 评论(0) 分类 阅读空间

A blonde was being interviewed by the Chief of Police for an opening in the local Police Department. The chief said that before I hire you I have to ask a few questions. Chief: First how much is 1 and 1. Blonde ElevenChief: Well I guess I will accept

发表于:2019-02-05 / 阅读(580) / 评论(0) 分类 趣味英语

By Lisa Schlein Geneva 06 August 2007 The World Health Organization says all countries, with the exception of Indonesia, are sharing their avian influenza viruses. WHO says the failure to share virus samples could retard the development of an effecti

发表于:2019-02-05 / 阅读(689) / 评论(0) 分类 2007年VOA标准英语(八月)
学英语单词
a petticoat affair
abandonment of contract
accessory optic papillae
adaptability to changing
after-theatres
amplitude of setup
angina cordis
atomic-beam resonance method
bench warrants
big muscle activities
bilateral levelling
boss shot
canaliculus
car-kilometer
carbostibamide
cargo unit
Cestrum
current penetration depth
cycle-amplitude relation
descensus aberrans testis
Dinnet
draw alongside
eccentric-strap seat
ecehymosis
electronic image
end around carry
endosperm oil
enzymatic action
equity debt ratio
fathers-of-six
fiscal inflexibility
foofier
free runner
g parameter
gain profile
get warm
glazed partition
gross property
hibbard
hurdle rate
in that spirit
in the bloom of...
infrared transparent nose
inshore wind
invisible earnings
Iwanoff's(Iwanow's)cysts
johnius macrorhynus
Krakor
lethal coefficient
long-base-line system
loxodon macrorhinus
mathematical treatment of economics
MDST
middle seaming
MSRR
natural impoundment
no smoke without fire
Nup145
obe.
oxid(iz)ation
painted hides
Palma Soriano
pedanticisms
penicillatus
phonomime
picture outline distortion
pitch angle deviation
prescriptive grammars
pressure sensitive dye
purchasing information
record standardization
Ribbonism
rights to life
river order
rubber green
scomber scombruss
secondary line switch
select-hold
single-flash pipe still
soil conservation
some time or other
space heater terminal box
split feed adsorption
spring loaded
spur-wheel
sums of squares
supporting points
swamp hares
Tambillos, Nev.de los
tax supplements
thorough-stitch
Toklar
total variable cost
tracer spool valve
Tumara
two beam interferometry
unwondering
vacuum dyeing
ventral muscle
WR
xsi
ypll