通性好气菌, 兼性好气菌

In countries around the world, hundreds of thousands of poor people face daily hazards to earn meager livings by scavenging for recyclable goods. In Cambodia, hundreds of scavenger families find their lives changing - they will lose their homes and

发表于:2018-12-16 / 阅读(147) / 评论(0) 分类 VOA标准英语2008年(十月)

In April of 2005, Jacques Chirac and the German Chancellor at the time, Gerhard Schrder, announced plans to spend over a billion euros on a joint French-German search engine to compete with the American company Google. The project would be called Qu

发表于:2018-12-30 / 阅读(142) / 评论(0) 分类 初级商务英语听力2007

By Mil Arcega Washington, D.C. 23 August 2006 watch Diesel report Drivers looking for alternatives to high gasoline prices are increasingly turning their attention to hybrids and so-called smart cars. But as VOA's Mil Arcega reports some are taking

发表于:2019-01-09 / 阅读(242) / 评论(0) 分类 2006年VOA标准英语(八月)

By Michael Bowman Washington 04 June 2008 Late Tuesday, Illinois Senator Barack Obama made history as the first African American to win the presidential nomination of a major U.S. political party, becoming the presumptive Democratic standard bearer.

发表于:2019-01-11 / 阅读(144) / 评论(0) 分类 VOA标准英语2008年(六月)

Police say Kansas city chiefs Land backer Jill Billt has failedly shot his girlfriend early Saturday, he then drove to Aeroheads stadium commits suicide, and found by his coach and general manager, used to be a force player. Two people were killed in

发表于:2019-01-11 / 阅读(203) / 评论(0) 分类 美联社新闻一分钟2012(十二月)

Besties, Buds, BFFs ... Friends! Now, the VOA Learning program Words and Their Stories. Language changes over time. Many words and expressions have changed over the centuries. But the word friend has stayed the same. It is a rare example in the Engli

发表于:2019-01-12 / 阅读(168) / 评论(0) 分类 2015年VOA慢速英语(九)月

AS IT IS 2016-06-14 Indoor Farming Industry Is Growing Fast 室内养殖产业快速增长 As experts warn of a coming food crisis, the vertical farming industry aims to create plants that offer more nutritional value and require fewer resources. In

发表于:2019-01-12 / 阅读(168) / 评论(0) 分类 2016年VOA慢速英语(六)月

Negotiators at the climate summit in Copenhagen last month failed to agree on a new climate change treaty to replace the current Kyoto Protocol before it expires in 2012. Jonathan Lash is president of World Resources Institute, an environmental polic

发表于:2019-01-13 / 阅读(136) / 评论(0) 分类 VOA标准英语2010年(一月)

Ethnic Karen minority children play soccer on a muddy field at their refugee camp along the Thai-Burma border near Mae Sot, Thailand, 29 Jun 2010 Burma's ethnic Karen communities and rights groups are reporting stepped up attacks by Burma's military

发表于:2019-01-13 / 阅读(135) / 评论(0) 分类 VOA标准英语2010年(七)月

Victor Otazu, a aeroponic specialist with the International Potato Center, tends to some aeroponic potato plants in Nairobi, Kenya Kenyans love to eat maize. It's the country's favorite food. But researchers at the Kenya Agricultural Research Institu

发表于:2019-01-13 / 阅读(175) / 评论(0) 分类 VOA标准英语2010年(六)月

One of the most popular books in the United States right now is by an author who has been dead for a century. The Autobiography of Mark Twain is the first of three volumes which make up writer Samuel Clemens' final work. On hold for 100 years This is

发表于:2019-01-13 / 阅读(172) / 评论(0) 分类 VOA标准英语2010年(十二)月

Swaziland has one of the highest HIV prevalence rates in the world - 26 percent for those between the ages of 15 and 29. But to deal with the epidemic, health officials must do more than increase treatment, care and prevention efforts. They must also

发表于:2019-01-14 / 阅读(140) / 评论(0) 分类 VOA标准英语2010年(十)月

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: Anu Garg, creator of the A.Word.A.Day Web site and author of a new book called Another Word A Day: An All-New Romp Through Some of the Most Unusual and Intriguing Words in English

发表于:2019-01-18 / 阅读(181) / 评论(0) 分类 英语单词大师-Word Master

Voice 1 Thank you for joining us for todays Spotlight program. Im Mike Procter. Voice 2 And Im Rebekah Schipper. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. V

发表于:2019-01-19 / 阅读(187) / 评论(0) 分类 环球英语 Spotlight

一个英语单词可分为三部分:前缀(prefix)词根(root)后缀(suffix)。位于词根前面的部分就是前缀。前缀,可以改变单词的意思。 -- aero 空气 aeroplane= aero空气+ plane飞机飞机 aerial= aer空气

发表于:2019-01-21 / 阅读(154) / 评论(0) 分类 英语PK台

By Phuong Tran Dakar 13 April 2007 A change in U.S. visa policy is giving citizens in the West African nation of Burkina Faso a chance to make more frequent trips to the United States. Businessmen and others who travel often to the United States can

发表于:2019-01-25 / 阅读(220) / 评论(0) 分类 2007年VOA标准英语(四月)

Frozen Smoke 固体烟 Male: What's as light as smoke but strong as a brick? Female: I'm gonna take a while guess and say... aerogel ? Male: Sorry,yaoyao,the answer is... Wait a second! Did you say aerogel ? How did you know? F:Yeap! Did you know tha

发表于:2019-01-26 / 阅读(126) / 评论(0) 分类 英语听力文摘 English Digest

By Chris Simkins Washington 16 April 2008 Millions of Americans could lose their homes this year and next as the rate of foreclosures across the United States rises to the highest in decades. The foreclosure crisis has worsened despite ongoing effort

发表于:2019-01-31 / 阅读(143) / 评论(0) 分类 VOA常速英语2008年(四月)

今天我们要讲的习惯用语里都有一个主要的单词:scratch。很多人都知道scratch这个词的意思是抓、或者刨刮表面。你要是给蚊子叮了一口,你就会这样做:scratch your skin with your fingernails。就是你

发表于:2019-02-03 / 阅读(248) / 评论(0) 分类 美国习惯用语

By Peter Heinlein Addis Ababa, Ethiopia 17 October 2007 A group concerned with human rights in Ethiopia's eastern Ogaden region says refugees fleeing to neighboring Somalia are being rounded up by Somali authorities and handed over to Ethiopian troop

发表于:2019-02-06 / 阅读(226) / 评论(0) 分类 2007年VOA常速英语(十月)
学英语单词
Abbe numbers
air guns
Alces alces
american association for marriage and family therapy(aamft)
amino-sumene
angular correlation
azolla carolinianas
bandlike
base vented cavitation
be working overtime
bibliolater
binge-eating syndrome
birth canals
blood elf
Boiscommun
boom microphone
bracing wire
Buddleja brachystachya
bulge out
caecal tonsils
cationic latex
certificate of quality test
Chinese sweet gum
collagen thesaurismosis
combined cutting and welding torch
complanatoside
component tree
compression fatigue tester
continentalization
cool temperate climate
covered wells
cut off attenuator
dect
Degache
dermohygrometer
divebombed
draw opaque
dynamic valve curve
Egglkofen
electronic-controlled egr system
enclosed cooling system
epicurism
equal leg angle
erosional unconformity
evolutionary phytomorphology
family sturnidaes
fibrosis of seminal vesicle
flat lode
floating reamer holder
galusha
garbage shoot
general-purpose steel
Graseef's law
guard against sth
habilatory
himma
hotel desk clerks
hypercognizing
incidence matrix of a block design
instance data
isogam map
isogonic lines (line of same declination)
laceration of spinal cord
laying work
linalyl heptylate
lingenberries
Liquifilm
maats
magnesium erbium nitrate
maximum safety setting
mechanoelectric conversion
microfoundations
mivrococcus mastitidis
music physiology
negrohead
night lives
notwheat
ocellated crake
offshore processing
Payol
permanent sovereignty over natural resources
planceer
qualitativeness
rager
rated rotor speed
reactor load pick-up
remordent
repel from
safety factors
Scombresocidae
stag hog
submarine osillator
submesothelial
suthee
sweet band
ternary electrolyte
the extent of actual control
turf banked terrace
uniform traffic
viborra
xciiiest
Yangozero, Ozero