音标:[,flʊərɪ'neʃən] ;
n. [化学] 氟化作用

FAITH LAPIDUS: Welcome to THIS IS AMERICA in VOA Special English. Im Faith Lapidus. This week on our program we hear from some Americans about Christmas past, present and future. (MUSIC) FAITH LAPIDUS: Jeffrey Davis remembers Christmas two years ago

发表于:2018-12-01 / 阅读(175) / 评论(0) 分类 2010年VOA慢速英语(十二)月

In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists picture the way an observed event could be produc

发表于:2018-12-01 / 阅读(207) / 评论(0) 分类 新东方现代文背诵篇章

At the Cheyenne Mountain Zoo, an infant gorilla named Wumundi gets some tender loving care from a dedicated keeper and lots of attention from curious visitors. He is on with a keeper all the time 24 hours a day. Zoo spokesman Sean Anglum explains tha

发表于:2018-12-03 / 阅读(169) / 评论(0) 分类 自然百科2008年

The flu epidemic intensified a few week ago, but it continued to worsen with widespread outbreaks being reported in every state except Florida. NBC's Robert Bazell reports. And there's new information tonight about this year's flu epidemic and why i

发表于:2018-12-11 / 阅读(133) / 评论(0) 分类 万花筒2008年

Good evening, my fellow Americans. Tonight I want to talk to you on a subject of deep concern to all Americans and to many people in all parts of the world, the war in Vietnam. I believe that one of the reasons for the deep division about Vietnam is

发表于:2018-12-30 / 阅读(173) / 评论(0) 分类 名人演讲

Maria Montessori lived between 1870 and 1952. She was an Italian educator who has left her mark on education today. Her Montessori method of education is widely used all round the world. Many educationalists say it is the best system for child educat

发表于:2019-01-01 / 阅读(156) / 评论(0) 分类 各国名人英文介绍

在TED U 2009的这个简短的演讲中,Jonathan Drori鼓励我们保护生物多样性 -- 从一颗颗种子做起。他提醒我们要保护人类赖以生存的植物,同时他也给大家描述了千年种子库这样一个美好的远景,在

发表于:2019-01-05 / 阅读(172) / 评论(0) 分类 TED公开课:生态谜云

Broadcast: April 18, 2003 By Nancy Steinbach and Shelley Gollust This is Doug Johnson. On our program today, we play some doo-wop music... answer a listener's question about places in the United State

发表于:2019-01-11 / 阅读(149) / 评论(0) 分类 VOA2003(上)-社会广角

By Larry James Moscow 23 April 2007 Former Russian President Boris Yeltsin, who had been in declining health for several years, has died at the age of 76. Mr. Yeltsin served as Russia's president from 1990 until his surprise resignation on December 3

发表于:2019-01-12 / 阅读(210) / 评论(0) 分类 2007年VOA标准英语(四月)

By Lisa McAdams Moscow 23 April 2007 Russian President Boris Yeltsin waves as he arrives at Helsinki airport (File photo - 20 Mar 1997) Russia's first freely elected president, Boris Yeltsin, has died of heart failure at the age of 76. VOA's Lisa Mca

发表于:2019-01-12 / 阅读(139) / 评论(0) 分类 2007年VOA标准英语(四月)

By Nancy-Amelia Collins Jakarta 28 February 2007 The Southeast Asia group Jemaah Islamiyah (JI), which has been blamed for a series of bombings over the past several years, has splintered into factions and may be heading in new directions. VOA's Nan

发表于:2019-01-12 / 阅读(154) / 评论(0) 分类 2007年VOA标准英语(二月)

The sole surviving gunman suspected of participating last year's terrorist attack in Mumbai has been having difficulty keeping a lawyer. His latest court-appointed counsel had threatened to quit after angry demonstrators surrounded her home. But the

发表于:2019-01-13 / 阅读(148) / 评论(0) 分类 VOA标准英语2009年(四月)

By Ron Corben Bangkok 13 July 2006 Five Southeast Asia nations are stepping up cooperation to fight bird flu. Under their agreement, Thailand and Vietnam will share their expertise in containing flu outbreaks through training programs and mobile lab

发表于:2019-01-30 / 阅读(190) / 评论(0) 分类 2006年VOA标准英语(七月)

By Peter Fedynsky Washington, DC 04 January 2007 watch New Congress report The new, 110th session of the U.S. Congress opens today with Democrats enjoying majority status in both houses for the first time in 12 years. But whether they can translate

发表于:2019-01-31 / 阅读(253) / 评论(0) 分类 2007年VOA标准英语(一月)

By Steve Herman Tokyo 09 November 2006 Declaring dirty water is a bigger killer than bullets worldwide, the United Nations Development Program is calling for a global action plan for the more than one billion people with no access to clean water and

发表于:2019-01-31 / 阅读(157) / 评论(0) 分类 2006年VOA标准英语(十一月)

By Scott Bobb Bangkok 10 April 2006 United Nations officials say the bird flu virus that has killed more than 100 people and millions of fowl in various parts of the world continues to pose a major th

发表于:2019-01-31 / 阅读(150) / 评论(0) 分类 2006年VOA标准英语(四月)

By Jessica Berman Washington 14 September 2007 Scientists have known for some time that most of the stuff in the Universe is so-called dark matter, material that cannot be seen directly because it does not interact with light. That makes it very diff

发表于:2019-01-31 / 阅读(188) / 评论(0) 分类 2007年VOA标准英语(九月)

By Lisa Schlein Geneva 07 May 2008 About 150 experts from governments, the World Health Organization, and other organizations are meeting to work on new guidelines to help nations confront and combat a potential influenza pandemic. The World Health O

发表于:2019-02-02 / 阅读(151) / 评论(0) 分类 VOA标准英语2008年(五月)

As an ass was quietly dining on thistles,he beheld a shepherd seated beneath a tree,awakening sweet echoes on his flute,and charming the ears of all within hearing,excepting our discontented lop-eared brute,who thus soliloquized:The world

发表于:2019-02-08 / 阅读(174) / 评论(0) 分类 趣味英语

WADA confirm USADA's action on Armstrong approriate BEIJING, Oct. 12 (Xinhua) -- World Anti-Doping Agency has again thrown its support behind USADA after a lengthy report with evidence to prove Lance Armstrong a doper. U.S. Anti-Doping Agency issued

发表于:2019-02-13 / 阅读(171) / 评论(0) 分类 英语新闻
学英语单词
air minimum control speed
ajab shir
ambivalent feelings
auto tyre
Bka'-brgyud-pa
bone defect
cantellation
capital of Qatar
cauterisers
cedent
cerebral sinuses
clearasils
co-current leaching
compris
congenericity
crystallographic component
dearomatizes
decanormal
decrescent function
deoxygenate
do-gooder
econometric jargon
Entamoeba buetschlii
equalizer decision function
final curtain
Fischer
Fitzwilliam I.
flindermouse
foreteach
forewatch
freight transit period
functional lines
gainesite
Geological repository
gibbsitogelite
hair carry
haloalkanes
hang in there
heat press
hesperidene
hexaantipyrineyttrium iodide
hiccough nuts
highest occupied molecular orbit
Ins.
inter-consonantal
invoiceable
Ivory Coast
Kitigan
Langson
manoletina
median vein of forearm
menkit
mertansine
metallic manometer
mikr
modi vivendi
nonslip tripod feet
nuclear-submarine
paloo
pinholds
pneumoparotitis
political risk insurance
principales
profile shifted gears
program algebra
projectile expelling chamber
protected reversing thermometre
protohominid
pureplay
put on the defensive
quake in one's boots
quasipermanent deformation
relative permeability curve
rock milk
roller fair leader
Rosseland mean absorption coefficient
scaberulous
semantic error
serial commas
shock resisting steel
side-mounted condenser
signalling methods
slacked
speak one's bosom
sweeping powers
system radial
T-Body
taenia taeniaeformis
teeth caries
tetrabutylammonium
the whole body
thermocouple(vacuum)gauge
thermofocal
thoracico-abdominal thickening
tile valley
Togian, Kep.
unascried
Vangard
vertico-podalic diameter
very-long-baseline interferometer (vlbi)
Widmanstatten structure
with-a-grain-of-salt