音标:[in'ɔpərətiv] ;
adj. 不起作用的;没效果的;(法规等)无效的,不生效的;失效的;无力的;无用的

Researchers find circadian clock in Monarch's antenna plays a major role in navigation Shelley Schlender | Michoacn, Mexico 22 March 2010 Scientists believe antennas are critical to the navigation of the Monarch butterfly. Related Links Monarch Watch

发表于:2018-12-16 / 阅读(150) / 评论(0) 分类 VOA标准英语2010年(三月)

Callum: Hello, I'm Robertson, Callum Robertson and this is entertainment. Today, Casino Royale the new James Bond film; is it any good and what is Daniel Craig like in his first performance as 007? We'll hear the views of BBC film reviewer Mark Kerm

发表于:2018-12-19 / 阅读(198) / 评论(0) 分类 Entertainment

She went to the casino. A casino is a gambling house. People gamble in a casino. They take a chance with their money. They hope they will win. Sometimes they do. But usually they lose. It was her birthday. She took $100 to the casino. She went to the

发表于:2019-01-02 / 阅读(157) / 评论(0) 分类 简单慢速英语阅读

She went to the casino. A casino is a gambling house. People gamble in a casino. They take a chance with their money. They hope they will win. Sometimes they do. But usually they lose. It was her birthday. She took $100 to the casino. She went to the

发表于:2019-01-02 / 阅读(124) / 评论(0) 分类 原版英语小短文

Drylands Vulnerable to Climate Change Researchers warn that the worlds drylands are being severely affected by climate change. They say that could harm the livelihoods and food security for billions of people. Scientists describe the projected effect

发表于:2019-01-03 / 阅读(153) / 评论(0) 分类 VOA标准英语2014年(十一月)

VOA's weekly science and technology radio magazine Art Chimes | Washington DC 19 March 2010 Related Links Origin of dogs (Nature) Origin of dogs (UCLA) Vitamin D study (abstract) Butterfly flight simulator (Reppert lab) Monarch Watch (U. of Kansas) D

发表于:2019-01-07 / 阅读(123) / 评论(0) 分类 VOA标准英语2010年(三月)

Are you going to hear from Mr BS today's better instate coverage ,we salute everyone who's served in the US arm forces and everyone currently serving his watching hour show,this is CNN student news. Up eve,at Penn State University,it's part of all th

发表于:2019-01-08 / 阅读(180) / 评论(0) 分类 CNN2011年(十一)月

The words of legendary football coach Jeo Pertenal,This is a tragedy,one of the great sorrows in my life ,I wish I had done more Pertenal anouced to be retiring at the end of the season.No charge has been filed against the Penn state coach.But a form

发表于:2019-01-08 / 阅读(237) / 评论(0) 分类 CNN2011年(十一)月

MADRID, Feb. 6 (Xinhua) -- Spanish La Liga club Sevilla sacked coach Marcelino Garcia on Monday after a run of games which has seen them slip from contenders for a place in Europe to below halfway in the league. Sevilla lost 2-1 at home to Villarreal

发表于:2019-01-11 / 阅读(173) / 评论(0) 分类 英语新闻

By Brent Hurd Washington, D.C. 29 March 2007 Watch 48 Hour Film The 48-Hour Film Project contest gives local filmmakers a chance to showcase their creativity and talent by producing a short film in only two days. Since its start in 2001, the contest

发表于:2019-01-13 / 阅读(152) / 评论(0) 分类 2007年VOA标准英语(三月)

BBC Learning English London Life Kylie Minogues costumes Amber:Hello, I'm Amber, and youre listening to bbclearningenglish.com. In London Life today, we visit a big exhibition which has just opened in Londons Victoria and Albert Museum. Its entirely

发表于:2019-01-16 / 阅读(232) / 评论(0) 分类 伦敦生活

KELLY MCEVERS, HOST: The practice of blackface is as old as entertainment itself white - actors putting black makeup on their faces and acting like buffoons. British broadcaster Sky TV has been accused of a kind of blackface by hiring a white actor t

发表于:2019-01-16 / 阅读(110) / 评论(0) 分类 2017年NPR美国国家公共电台1月

GWEN IFILL: Now adoption in America in the age of the Web. A new series of investigative reports published this week is raising serious questions about how some adoptive parents who seek help online are encountering unintended consequences. Jeffrey B

发表于:2019-01-27 / 阅读(117) / 评论(0) 分类 PBS访谈教育系列

Hanna: Where have you been? Ive been trying to find you. I just won $80 from this slot machine. Its not the jackpot, but now Ive broken even. Tad: Thats really great. Maybe some of your luck will rub off on me. Im just about to see what the high roll

发表于:2019-01-30 / 阅读(138) / 评论(0) 分类 地道美语播客

By Erik Silk Gettysburg, PA 13 July 2006 watch Gettysburg Casino report The site of one of the most famous battles in U.S. history is now the focus of another conflict -- over a casino. This is Gettysburg, in the southern part of the U.S. state of P

发表于:2019-01-30 / 阅读(189) / 评论(0) 分类 2006年VOA标准英语(七月)

ROME, Oct. 26 (Xinhua) -- Antonio Nocerino turned out to be the unexpected hat-trick hero as AC Milan beat Parma at home on Wednesday to notch up their third consecutive Serie A victory. Nocerino broke the deadlock at San Siro in the 30th minute. Zlt

发表于:2019-02-04 / 阅读(230) / 评论(0) 分类 英语新闻

By Michael Bowman Washington 11 December 2006 A woman hits a Pinochet opponent of with her purse as he is taken away by police officers near area where thousands of supporters gathered to pay tribute in Santiago, 11 Dec 2006 Reaction to the death Su

发表于:2019-02-04 / 阅读(215) / 评论(0) 分类 2006年VOA标准英语(十二月)

DAVID GREENE, HOST: Call this the freezing out of frozen food - you know, TV dinners, which were a novelty when they first showed up in national supermarkets back in the 1950s. (SOUNDBITE OF AD) UNIDENTIFIED VOICE ACTOR: It's the first and only three

发表于:2019-02-13 / 阅读(143) / 评论(0) 分类 2018年NPR美国国家公共电台5月

SCOTT SIMON, HOST: Imagine going to the grocery store for dinner, not just to pick up a bag of corn chips and cheese dip for dinner and eat it at home, but actually eating in the supermarket. Many markets are adding sit-down restaurants. Kristofor Hu

发表于:2019-02-13 / 阅读(158) / 评论(0) 分类 2017年NPR美国国家公共电台8月

Do you remember how I felt when we were just so young? 还记得我们青春年少我那时的感受吗 Yeah we do anything we wanted and we do it for fun 我们随心所欲乐在其中 Everything I wanna say, I can hear it so loud 我想要说出的话

发表于:2019-03-04 / 阅读(222) / 评论(0) 分类 听歌学英语
学英语单词
aggregate bin
anthuan
Articulationes carpometacarpales
atmospheric
automatic pressure suppression
berals
blunderers
bottom engine
bubble measurement
by-heads
calibrated shunt
canonical neighborhood
carree
Castillejo de Robledo
chloroazifop-propynyl
chorio-epithelioma benignum
chouder
class a ip address
closure bulkhead
coal field gas
costings'
cousse
coxa plana
dichtester wert
diploidion
disestablished
disneylike
diversity of status
Double-tax agreement
dtm
ducol
Eupaleozoic
evanescency
false joint
family Eriocaulaceae
fess 1,fesse
flange-packing
flexible door
floating log
fortepianist
free of foreign capture
gasoline aviation
genus aphrophoras
glarney
hair cloth
helopeltis fasciaticollis poppius
Hieracium pilocella
huffs and puffs
hypoalimentations
hypocrism
isothermal flame ionization chromatography
Jeezum
large bond
lateral cuneiform bone
life requirements
Linoproductus
LTLT
maenadism
mathematic system
mechano-chemical polishing
memorialist
meta-quartzite
millimeter-wave radar
monoline
mu (message unit)
nalcite
NASDAQ National Market
NOT CONTROL
osteoblastic sarcoma
otakukin
physical characteristic
points of entry
potyvirus tuberose mild mosaic virus
preliminary mentor
production well log
quick-replaceable
recourse for non payment
redirecting surfaces
respect property
romantically
sandblasting robot
sewing thread
sharpen ... pencil
Sisters Pk.
sleepwalks
slope down
split hair
successful block delivery
super acid
supercharge octane number
superconducting layer
tapered wheel
terminal vocabulary
terpane
territorial commission theory
truncus brachiocephalicus
uhfo (ultra-high-frequency oscillator)
umbrella plant
us pus
washdown station
weight or meausurement
Zooted