音标:[prәj'vaiәrәs] ;
n. [微]前病毒
n cDNA copy of the RNA genome of a retrovirus; the genetic material of a virus as incorporated into and able to replicate with the genome of a host cell
词型变化:名词复数形式 : proviruss

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发表于:2018-12-04 / 阅读(117) / 评论(0) 分类 英文魔法师字源大挪移

By Mike O'Sullivan 27 July 2007 United Nations Secretary-General Ban Ki-moon is on a two-day visit to California to discuss climate change and other global challenges. Mike O'Sullivan reports from San Francisco, the secretary-general says the United

发表于:2018-12-08 / 阅读(174) / 评论(0) 分类 2007年VOA标准英语(七月)

[00:17.36]Figure On The Proch [00:26.40]门廊鬼影 [00:36.51]Back in the early 1980s my aunt lived in a house [00:41.27]that was literally located in the middle of nowhere. [00:46.05]It used to really creep my younger brother and me out, [00:50.28]but

发表于:2018-12-11 / 阅读(114) / 评论(0) 分类 英语灵异故事

[00:17.23]Figure On The Proch [00:26.43]门廊鬼影 [00:35.14]I lay back down and tried to go back to sleep. [00:39.57]After I had lain there for about 5 minutes, [00:43.12]I started to hear a tapping sound. [00:45.77]I listened for a minute, [00:48.07]

发表于:2018-12-11 / 阅读(136) / 评论(0) 分类 英语灵异故事

You know, I just wanna say one brief thing about something the previous speaker said. I didn't wanna spend too much time on that 'cause I don't think it's important enough. But one thing is worth considering. He's the -- He's the nominal head of an

发表于:2018-12-30 / 阅读(141) / 评论(0) 分类 名人演讲

SCIENCE IN THE NEWS - Killer Virus Brought Back From the Past, With the Hope to Avoid a New One By Cynthia Kirk and Caty Weaver Broadcast: Tuesday, October 18, 2005 (MUSIC) VOICE ONE: This is SCIENCE

发表于:2019-01-02 / 阅读(105) / 评论(0) 分类 科技之光

WHO Confirms Bird Flu Virus Caused Human Deaths in Vietnam Katherine Maria The World Health Organization has confirmed that at least three people have died of bird flu in Vietnam, the same virus that

发表于:2019-01-07 / 阅读(124) / 评论(0) 分类 VOA2004(上)--各类新闻

And now for Money Myths, a new feature from Michelle Singletary. She is Day to Days personal finance contributor, and a regular Tuesday guest. And as the title implies, Michelle will try to correct some financial myths we all may have. She spoke ear

发表于:2019-01-08 / 阅读(145) / 评论(0) 分类 2005年NPR美国国家公共电台

by Jill Moss Broadcast: July 23, 2003 This is Bill White with the VOA Special English Health Report. A medical company in Australia, PanBio, has developed a new test for West Nile 1)virus. The test ex

发表于:2019-01-09 / 阅读(125) / 评论(0) 分类 VOA2003(下)-环境与健康

CANBERRA, Sept. 6 (Xinhua) -- A rare virus that can be contracted by humans has killed a large number of Victorian pigeons after being detected in the Australian state for the first time, Agriculture Department confirmed on Tuesday. According to the

发表于:2019-01-09 / 阅读(119) / 评论(0) 分类 英语新闻

Larry到李华住的地方,去看她新领养的猫咪小雪球。今天李华会学到两个常用语:mental和pro. LL: Snowball is adorable! She's so little and fluffy! LH: 就是啊,我的猫咪

发表于:2019-01-11 / 阅读(132) / 评论(0) 分类 美国之音《流行美语》

By Peter Fedynsky Washington, D.C. 19 February 2007 watch Appropriations report On the same day that the U.S. House expressed its disapproval of sending more troops to Iraq, the White House asked lawmakers to approve additional money for Iraq's econ

发表于:2019-01-12 / 阅读(161) / 评论(0) 分类 2007年VOA标准英语(二月)

By Brian Wagner Miami 22 September 2009 A supporter of Honduras' ousted President Manuel Zelaya runs during clash with riot police in front of Brazil embassy in Tegucigalpa, 22 Sep 2009 Riot police in Honduras on Tuesday broke up marches by supporte

发表于:2019-01-13 / 阅读(108) / 评论(0) 分类 VOA标准英语2009年(九月)

今天我们要学的词是pro-life。 Pro-life意思是反对妇女有堕胎的选择权。Pro-life的对立面是 pro-choice,支持妇女的堕胎权。美国总统奥巴马不久前在圣母大学发表毕业演讲。Hundreds of pro-life activis

发表于:2019-02-05 / 阅读(127) / 评论(0) 分类 英语每日一词

By Steve Herman New Delhi 01 January 2008 India remains one of the few countries where polio has not been eradicated. Most of the world's new cases are reported in the subcontinent. While the total number of cases dropped in India last year, VOA cor

发表于:2019-02-12 / 阅读(114) / 评论(0) 分类 VOA标准英语2008年(一月)

By Jeff Swicord Washington 03 November 2009 For decades, AIPAC (The American Israel Public Affairs Committee) has been the pro-Israel lobby in the United States, bolstered by a massive membership -it says 100,000 - among America's six million Jews.

发表于:2019-02-12 / 阅读(86) / 评论(0) 分类 VOA标准英语2009年(十一月)
学英语单词
? priori
awwad
bacterial haptene
Bad shape
Balakirevo
basaltic dome
baythe
behavioral definition
biopsy forceps
BL coordinates
boglands
Camellia yunnanensis
caprylic acid p-phenyl-phenacyl ester
chemical solvents
core support plate insert
cytophagas
digital computer trainer
Diospyros tutcheri
divisional application
donahue
drying element
duthiella speciosissima
ecophilosophies
ecstasised
electroacoustic locator
ethacizine
fatty iodine value
frame filter press
genus anthuss
ginseng jelly
gravity gradient torque
grease contamination
habituss
haemophagocytosis
Hedysarum petrovii
hour angle hyperbola
hustla
independ
integralness
juleanna
landbanking
lattice trail
learning-styles
lenguado
mail surveys
mean high water reaps
medle
Mesaton
micraspis discolor
millimeter-wave
naeem
Neolithically
nonactivity
nonkinase
nugara (chad)
one-thirty-second
overdraw check
overpublicize
p.s.a
palladium contact point
permanent symbol
pessoas
phenol acids
piecewise linearity
positive impact
pressure transient
product trapped in seam
record oriented data transmission
regulatable
regulation of water management
robert burns woodwards
rotation flow system
rotten timber
Schalksmühle
school supplies
Selsundsfjall
set stocking
silopi
silver-blues
slog it out
slotted oval-head screw
street money
structural oil-gas field
sum of square of deviation
switchboard frame
swords of Damocles
theosopheme
thioaldehydes
third generation computer device
toist
trichia scabra
two-dimensional turbulence
two-line brevier
vanillin sugar
Veringenstadt
vibration measuring
Vickers hardness number
Vladimirovo
wcda
wenner
work-clothing
working strain gauge