二甲基乙基吡咯

Science fiction is definitely not pure science, but neither is it pure fiction. This literary genre, argues science fiction writer Ben Bova, stands as a bridge between science and fiction, between reason and emotion. Moreover, science fiction is not

发表于:2018-12-07 / 阅读(237) / 评论(0) 分类 英语散文阅读

AS IT IS 2014-05-25 Scientists Search for New Ways to Stop Mosquitoes 科学家们寻找新的方法来对付蚊子 The sound of a mosquito can mean trouble in many parts of the world. The bite of a mosquito can be deadly. Today, we will hear about s

发表于:2018-12-08 / 阅读(223) / 评论(0) 分类 2014年VOA慢速英语(五)月

Muslim Brotherhood Ready for More Active Role in Jordan From VOA Learning English, this is IN THE NEWS in Special English. The Muslim Brotherhood is one of the largest Islamic groups in the Arab world. For years, the Brotherhood has been banned in a

发表于:2018-12-16 / 阅读(168) / 评论(0) 分类 2013年VOA慢速英语(六)月

美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 630,000 people died of malaria-related

发表于:2018-12-19 / 阅读(185) / 评论(0) 分类 VOA双语新闻 2014年1月

The Beijing Municipal Administration of Hospitals has launched a role-swapping program to try to smooth the relationship between doctors and patients. CRI's Xie Zhao explains. Reporter: The role-swapping program has recruited volunteers with aim of h

发表于:2018-12-19 / 阅读(165) / 评论(0) 分类 世界各地新闻集锦

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2018-12-30 / 阅读(205) / 评论(0) 分类 国家地理2008年

By Leta Hong Fincher Since September 11th, 2001, the United States has waged war on terrorism while advancing an agenda of democracy and freedom. But some U.S. critics say the policies of the Bush adm

发表于:2019-01-03 / 阅读(174) / 评论(0) 分类 VOA2004(下)--新闻盘点

Anderson Silva in Hollywood film role RIO DE JANEIRO, Nov. 4 (Xinhua) -- Brazil's Ultimate Fighting middleweight champion Anderson Silva is set to star alongside Steven Seagal in a new Hollywood film. Silva will fly to Los Angeles this week to begin

发表于:2019-01-08 / 阅读(212) / 评论(0) 分类 英语新闻

By Naomi Schwarz Dakar 07 September 2007 In southern Senegal and the Gambia, home to the Mandinka ethnic group, the rainy season also brings the appearance of the Kankuran, a man who takes on the role of an age-old spirit and guardian of the Mandinka

发表于:2019-01-09 / 阅读(212) / 评论(0) 分类 2007年VOA标准英语(九月)

By David Gollust Secretary of State Colin Powell said Friday that Libya's alleged role in a plot against Saudi Arabia's Crown Prince Abdullah remains an obstacle to further normalization of U.S.-Libya

发表于:2019-01-11 / 阅读(173) / 评论(0) 分类 VOA2004(下)--新闻盘点

By David Gollust U.S. Deputy Secretary of State Richard Armitage is welcoming Friday's end of the three-week occupation of the Imam Ali Shrine in Najaf by Shi'ite militiamen as a great victory for Ira

发表于:2019-01-11 / 阅读(143) / 评论(0) 分类 VOA2004(下)--新闻盘点

Promising Mosquito Repellent Announced美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 6

发表于:2019-01-14 / 阅读(189) / 评论(0) 分类 VOA标准英语2014年(一月)

One Police stops on police vehicle outside one Victoria's Bar. After the preparation, as necessary arrests?, this liquor drive slightly mixes. Suddenly he sees to have a young people shakely goes out from bar, spend the many figures only then finds

发表于:2019-01-17 / 阅读(162) / 评论(0) 分类 白领英语晨读

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2019-01-22 / 阅读(217) / 评论(0) 分类 自然百科2008年

今天我们要学的词是role model。 Role model, 榜样。 For black women across the country, Michelle Obama is a new role model, 对于美国各地的黑人女性来说,米歇尔奥巴马是她们新的楷模。奥巴马当选美国总统后,

发表于:2019-01-31 / 阅读(173) / 评论(0) 分类 英语每日一词

Turkish foreign minister Ali Babacan is in Tehran to help find a solution to the ongoing tensions over Iran's nuclear aspirations. Turkey is increasingly playing an active role in working to resolve tensions across the Middle East. Earlier this year

发表于:2019-02-04 / 阅读(206) / 评论(0) 分类 VOA标准英语2008年(八月)

On its website, a history of the company makes no mention of leador indeed of Thomas Midgleybut simply refers to the original product as containing a certain combination of chemicals. 在它的网站上,公司的历史没有提及铅──也没有提

发表于:2019-02-17 / 阅读(180) / 评论(0) 分类 万物简史

By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo

发表于:2019-02-17 / 阅读(197) / 评论(0) 分类 万物简史

Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions

发表于:2019-02-17 / 阅读(205) / 评论(0) 分类 万物简史

If you were going to a restaurant and wanted a healthier option, 如果你去饭店,你想吃得健康一点, which would you choose, grilled or fried chicken? 你会选择哪种食品呢,烤鸡还是炸鸡? Now most people would answer grill

发表于:2019-02-21 / 阅读(217) / 评论(0) 分类 TED演讲教育篇
学英语单词
ALTCOM
angular drift
Aporidea
artemisia cina berg.
Arthur, L.
axis of absorption
bay-rum
be obligated to pay tax
bobr (biebrza)
bowns
break hiatus
c.b. system
capitulationism
Clinmycin
clock is ticking
coattails
configuration error
cormophytes
countermeasure for oil-pollution
croskery
currency by weight
Davies, Arthur Bowen
delay system
design variables
donyo
dynamic library
dysprosium sulfate
equalizer lead
exumas
feast upon
fluid-link steering
good for growing wax gourd
group communication
hemandez
hirsutella versicolor
homoisomerous lichen
Hummelfeld
Hymenolepidae
improvement factor
input controller
jet rubber belt conveyor
Jugoslav,Jugo-Slav
Leviticus
liposcelidid
magnetic potential regulator
make oneself too cheap
Maninian
metal soft magnetic material
method of smelting
Montreal Museum of Fine Arts
motoring test
neozephyrus japonicus
New York clearing house
nonfrequent
outvalues
Paree
paschen's law
Passa Quatro
PCIs
Percival(e)
period half change
phialoconidium
platydema tuchinlonoi
poor ignition quality fuel
population systems
positive infinitely variable adjuster
pre-employment
pulse system differential
pulse-width-modulation chopper
punnings
quick overriding for barred speed range
receptories
renationalizing
reticule holder
rises
rissa
road grader
ruprechts
ruthenium silicide
segmental arc
self-winding electric clock
shallowly submerged hydrofoil
sick leave
simplisms
software-transparent
steel (prestressing)tendon
stimulin-D
subscientific
the marble maiden
tincturations
tube tester
tubiformis
ulus
unappropriated balance
uniformly convex
vector operator
very soon
video casting
vowel mark
Whaler Anchorage
witch-doctor
ywilned