音标:[,kwɔdri'veilənt; kwɔ'drivə-] ;
adj. 【化学】四价的;【生物学】四价染色体组的
n. 【化学】;四价原子;四价元素

EDUCATION REPORT – May 9, 2002: Privatization of Public Schools By Jerilyn Watson This is the VOA Special English Education Report. Last month, a state committee voted to give control of forty-two p

发表于:2018-12-07 / 阅读(91) / 评论(0) 分类 教育与新闻

Privacy is something that is becoming more important to all of us. A long time ago, it wasnt so important. Our world was small. We knew and trusted everyone around us. We rarely had to give people our private information. Today, with the Internet and

发表于:2018-12-26 / 阅读(61) / 评论(0) 分类 纯正英语一分钟

by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Further, I

发表于:2018-12-30 / 阅读(63) / 评论(0) 分类 法律英语 Legal Lad

by Michael W. Flynn First, a disclaimer: Although Legal Lad is an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Leg

发表于:2018-12-30 / 阅读(151) / 评论(0) 分类 法律英语 Legal Lad

Flight attendant Sheila Fedrick says she knew something was wrong when she saw a teenage girl with greasy hair sitting on an airplane next to an older man. The girl had bruises, possible evidence that she had been hurt. The man, however, appeared ver

发表于:2019-01-02 / 阅读(55) / 评论(0) 分类 2017年VOA慢速英语(二)月

Risin' up back on the street did my time took my chances went the distance now i'm back on my feet just a man and and his will to survive so many times it happens too fast you trade your passion for g

发表于:2019-01-03 / 阅读(63) / 评论(0) 分类 奥斯卡电影名曲盛典A

By Parke Brewer Turin 25 February 2006 Gelato shop counter in Turin One normally thinks of ice cream as a warm-weather treat. While the mountain venues of the Winter Olympics have been cold and snowy,

发表于:2019-01-06 / 阅读(129) / 评论(0) 分类 2006年VOA标准英语(二月)

By Peter Fedynsky Washington, D.C. 14 March 2007 watch Halliburton report Halliburton, an American oil services company and the largest private contractor in Iraq, is moving its corporate headquarters from Houston, in the U.S. state of Texas to Duba

发表于:2019-01-07 / 阅读(107) / 评论(0) 分类 2007年VOA标准英语(三月)

Technology Report - Mobile Devices' Location Tracking Raises Privacy Concerns This is the VOA Special English Technology Report. Lawmakers in the United States have expanded an investigation into the use of location-tracking systems on mobile devices

发表于:2019-01-12 / 阅读(102) / 评论(0) 分类 2011年VOA慢速英语(五)月

By Deborah Tate Washington 08 May 2007 A key U.S. lawmaker has introduced legislation repealing a law requiring all 50 states to issue standardized, tamper-resistant drivers' licenses. The Homeland Security Department says the law will improve nation

发表于:2019-01-13 / 阅读(105) / 评论(0) 分类 2007年VOA标准英语(五月)

Greeks March Against More Budget Cuts, Privatization Angry Greeks are taking to the streets, demanding the government back off plans to save the economy by privatizing their government jobs. Anger and frustration boiled over into the streets of Athen

发表于:2019-01-14 / 阅读(77) / 评论(0) 分类 VOA标准英语2011年(六月)

Three candidates in the Afghan presidential election, including incumbent President Hamid Karzai, have faced off in a nationally broadcast debate. It was the first time a sitting president has participated in such an election debate. An Afghan girl

发表于:2019-01-14 / 阅读(65) / 评论(0) 分类 VOA标准英语2009年(八月)

俚语:很久、很久 《环珠格格》中,紫薇对尔康说:山无棱、天地合,才敢与君绝;张学友在歌中唱到:我等到花儿也谢了;老公对老婆说:我都睡了一觉了,你还没化完妆 看得出,汉语中关

发表于:2019-01-14 / 阅读(65) / 评论(0) 分类 实用英语

Europe Mafias on the move 欧洲 黑手党正在扩张 Northward creep 罪恶之手伸向北方 In Italy Mafia-organised crime is no longer only a southern phenomenon意大利黑手党犯罪不再局限于南部地区 TERRACINA is a sprawling town so

发表于:2019-01-27 / 阅读(84) / 评论(0) 分类 经济学人财经系列

British people are always famous for their conservative nature. Nevertheless,they also have some interesting ways to enjoy themselves. 英国人素来以保守闻名。不过,尽管这样,他们仍旧会以有趣的方式享受生活。 Club life

发表于:2019-01-31 / 阅读(60) / 评论(0) 分类 阅读空间

英语作文-中考 Directions: For this part you are allowed thirty minutes to write a composition on the topic The Development of a Private Car. You should write no less than 150 words and base your composition on the outline(given in Chinese) below

发表于:2019-02-01 / 阅读(47) / 评论(0) 分类 英语作文

Todd: Hello, I'm here with Frederick. Now frederick, you went to university in Canada? Fred: That's right, Todd. Todd: OK, and you have very strong views about universities in Canada. Can you please explain? Fred: OK, well, let me just give you a gen

发表于:2019-02-01 / 阅读(58) / 评论(0) 分类 原版英语对话1000个

By Margaret Besheer Washington 12 February 2006 A United Airlines pilot walks to security check point at O'Hare International Airport (file photo) The hijacking of four jets on September 11, 2001, mad

发表于:2019-02-02 / 阅读(96) / 评论(0) 分类 2006年VOA标准英语(二月)

I went to visit my old friend, Mina, whom I hadnt seen in several years. It was one of the strangest afternoons of my life! Dan: Hi, Mina, its really good to see you. Mina: Dan, come in. Hurry! Dan: Uh, okay. Why do you have four locks on your door,

发表于:2019-02-04 / 阅读(80) / 评论(0) 分类 地道美语播客

Private funeral held for Fawcett 福塞特的私人葬礼 A private funeral has been held for US actress Farrah Fawcett, who died last week of cancer. Her partner, actor Ryan O'Neal, was a pallbearer (抬棺者) Their son Redmond, who was recently jailed on

发表于:2019-02-08 / 阅读(132) / 评论(0) 分类 英语新闻
学英语单词
abime
admit reason
Alamogordo
angelica seed
azinphos ethyl
baked potato
barkeries
bedding sand
benthoal
Beshir
boron oxide
Brahman
brightness contrast
Chacim
characteristic multiplier
courtierlike
cover heating
cullambine
decrowns
denture hypertrophy
diacetyl dioxime
doublet interval
Dzelter
effective horsepower
equivalent monoplane span
eutrophic water
first-degree burns
floxes
foot platform
forschner
Frankenstein's monster
galax urceolatas
Glareolidae
glyphographs
gold-trafficker
grassina
grecise
ground-berries
grounding conductance
He that runs fastest gets the ring.
homogeneous
hot atom
image event
industrial logic-sequence controller
introspection method
irgafen
K-region
Klosterhardt
linear alkylbenzene
Loose Credit
Lubuskie, Pojezierze
machilus ichangensis rehd. et wils
microwave space research facility (msrf)
most-favoured-nation treatment
Ni'līn
nondedicated laboratory computer
nostra
Oberschützen
optical strip
organized administration
over and under design
over-specialize
Palomera, Sa.
pay by check
Penalty tax
Pesomax
Planitero
polar circle
Potamogeton franchetii
pressure tendency chart
pricing at market
psychoda longivirga
recovery rate
red-beards
ricardian trade model
ringer equivalency number
rnle
romano-ward
Samakala
sambava (sahambavany)
scin
secondary strut
shionon
Silene holopetala
slot way
smarties
so yeah
source range monitor
stewartstown
superliner
superlobbyist
test beam
thwartedness
Transformer Insulation
transiences
transversal slope cultivation
unconstitutionally
water slurry of pigment
whitey
worldly wealth
Wörth an der Donau
zenith point