单词：vergency
n. The reciprocal of the focal distance of a lens, used as
measure of the divergence or convergence of a pencil of rays.
单词：vergency 相关文章
14.Argentia Bay Herman Wouk 1. Argemtia Bay Gray peace pervaded the wilderness-ringed Argentia Bay in Newfoundland, where the American ships anchored to await the arrival of Winston Churchill. Haze and mist blended all into gray: gray water, gray sky
高级英语 上
Parks are good places to veg out. John: This is Real English from BBC Learning English. I'm John. Feifei: And I'm Feifei. John: In Real English, we look at words and phrases that have recently become part of the English language. Feifei: 在我们的《
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In 1976, two local art collectors donated their outstanding collection of modern art to the town of Troyes. The works of the artists known as
其他文化
By Steve Schy Washington 16 May 2006 Host Germany is favored to top Group A at the next month's 32-nation World Cup football finals. No World Cup host has ever failed to make it out of the group stage
2006年VOA标准英语（五月）
The itsy bitsy spider climed up the water spout. Down came the rain, and washed the spider out. Up came the sun, and dried up all the rain, And the itsy bitsy spider went up the spout again.
鹅妈妈童谣
Oum Sok began working as a cyclo driver when he was 18. He says the city has become very expensive over the years, making it much harder to earn a living. New York has its yellow cab. London has its red bus. But Phnom Penh has its cyclo - a three-whe
VOA标准英语2010年(六)月
BUENOS AIRES, May 16 (Xinhua) -- Argentina's(阿根廷) basketball player Luis Scola on Monday confirmed that he will travel to China later this week while expressing hope he will be fully recovered from a knee injury before the pre-Olympics Mar del
英语新闻
BERLIN, Aug. 15 (Xinhua) -- Argentina beat 10-man hosts Germany 3-1 in an international soccer friendly at Frankfurt Arena on Wednesday. Lionel Messi, Angelo Di Maria and Sami Khedira's own goal helped La Albiceleste to take the win. Goalie Ron Rober
英语新闻
Science and Technology Mimicry The first sparrowhawk of spring 科技 模仿 春天第一只雀鹰 To obtain better access to warbler nests, cuckoos mimic raptors 为了更好地抢占莺的巢穴，杜鹃通常会模仿成猛禽的样子 THE resembl
经济学人科技系列
Science and Technology Mimicry The first sparrowhawk of spring 科技 模仿 春天第一只雀鹰 To obtain better access to warbler nests, cuckoos mimic raptors 为了更好地抢占莺的巢穴，杜鹃通常会模仿成猛禽的样子 THE resembl
经济学人科技系列
今天我们要学的词是urgency。 Urgency, 紧迫。在比赛中场落后的情况下， We felt a strong sense of urgency to play better offensively in the second half, 我们有一种强烈的紧迫感，下半场比赛一定要在进攻方面加
英语单词荟萃
By Kurt Achin Seoul 15 May 2006 The United Nations secretary-general says the global community must act quickly to peacefully end disputes over nuclear programs in Iran and North Korea. Kofi Annan mad
2006年VOA标准英语（五月）
BUENOS AIRES, May 6 (Xinhua) -- A 20-year-old Argentine soccer player was killed Sunday when he was shot in the middle of a gunfire between a police officer and alleged criminals in Burzaco, located in southern Buenos Aires. The victim, Lautaro Bugat
英语新闻
After only two days of voting, Roman Catholic cardinals elected Argentine Jorge Mario Bergoglio as the new pope to lead the world's 1.2 billion Catholics. He has chosen the name Francis and is the first pope from Latin America in the Catholic Church'
英语新闻
RIO DE JANEIRO, Nov. 7 (Xinhua) -- Palmeiras' Argentine striker Hernan Barcos warned Wednesday that violent threats from fans could force him to leave Brazil. His comments follow a series of security concerns for the Brazilian top-flight outfit, incl
英语新闻
BUENOS AIRES, March 14 (Xinhua) -- Argentine President Cristina Fernandez on Wednesday announced that the South American country will host Formula One races in 2013, 2014 and 2015. The city of Mar del Plata, 400 kilometers south from Buenos Aires, wi
英语新闻
BUENOS AIRES, Sept. 24 (Xinhua) -- Diego Maradona（马拉多纳） said Friday that he wants nothing but to get back the coach job of Argentina's national soccer team. I'd give my life to be the national team（国家队 ） coach, the former star f
英语新闻
Argentina's River defeat defenders Arsenal BUENOS AIRES, Sept. 30 (Xinhua) -- Club Atletico River Plate Sunday defeated defending champions Arsenal de Sarandi 4-0 on the ninth match-day of Argentina's premiere league initial tournament. With this win
英语新闻
Todd: Hey, Jessica, what are your plans for the summer? Jessica: This summer! I think I'm going to go on a trip with my brother to Argentina. Uh, we are still making the plans to go but I think we're going to go for two weeks. And we're probably goin
原版英语对话1000个
Today we meet the English word folly, and we visit a strange old building and an art exhibition. Lets start with the word folly. I guess you know what foolish means. If someone is foolish, he or she does stupid or unwise things. We can call such a pe
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