单词：endonucleases
n. a nuclease that cleaves nucleic acids at interior bonds and so produces fragments of various sizes
单词：endonucleases 相关文章
Gucci, or the House of Gucci, is a leading brand of fashion and leather goods. Its name is synonymous with style and luxury. It was founded in 1921 by fashion designer Guccio Gucci. Many of his designs are still with the company today, most notably t
各大品牌英文介绍
Trump Push For 'Energy Dominance' Boosts Drilling On Public Land SACHA PFEIFFER, HOST: In parts of the West, the Trump administration is opening up millions of acres of public land to oil and gas leases. That's fueling a drilling boom in places like
2018年NPR美国国家公共电台11月
1. fluid /ˈflu:ɪd/ -- 1. substance that flows 2. not rigid; changing easily Air, water, molasses and milk are all fluids. 空气、水、糖蜜和牛奶都是流体。 During November, the military situation remained fluid, with advances and retres
突破英文词汇
快闪商店，一种在短时间内开张的商店,近来在欧美非常流行. 欧美流行快闪商店 NPR News: Fast-rising mobile technology is making buying stuff with a tap of an app easier than ever, and shifting the way we shop. What were on
双语趣听精彩世界
VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English Program PEOPLE IN AMERICA. Today, we tell about the much-loved performer Lucille Ball. Her famous television series, I Love Lucy, was first broadcast i
名人轶事
PEOPLE IN AMERICA - May 26, 2002: Lucille Ball By Mario Ritter VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English Program PEOPLE IN AMERICA. Today, we t
People in America
Todd: OK, Richard! Richard: Hi, Todd. Good to see you. Todd: Good to see you. Richard: Long time no see. Todd: Yeah, it's been awhile. Richard: It's been awhile. Todd: Richard, you helped me out when I first started the website. Richard: My pleasure.
原版英语对话1000个
President Barack Obama chose to sign in private today a 410-billion-dollar omnibus spending bill that keeps the federal government in business to September. Nearly 9,000 individual projects known as earmarks were included in the measure and the pres
2009年NPR美国国家公共电台3月
SAO PAULO, Jan. 1 (Xinhua) -- Lucas Moura was unveiled as a Paris Saint-Germain player on Tuesday after the European transfer window opened for business. The youngster left Brazilian club Sao Paulo in a deal reportedly worth around 26 million U.S. do
英语新闻
Weekly Address: President Obama Announces New Plans to Increase Responsible Domestic Oil Production 每周电视讲话:奥巴马总统宣布负责任地增加美国国内石油产量的新计划 WASHINGTON In this weeks address, President Obama laid
奥巴马每周电视讲话
Dutch police said the pilot was arrested in the cockpit. He is suspected of flying with a forged licence for more than a decade. The police said he had once had a commercial pilot licence but it had expired and it never qualified him for passenger fl
英语听力文摘 English Digest
Alibaba Group, Chinas largest e-commerce business, has criticized a reported lawsuit filed Friday in New York by Gucci, Yves Saint Laurent and other brands owned by Kering SA that alleges it knowingly allows the sale of fakes on its websites. 周五，
阅读空间
By Victoria Cavaliere New York 24 October 2007 New York's Metropolitan Museum of Art has opened a newly renovated, state-of-the-art education center that will allow students, scholars and the general public to study the museum's world-renown collecti
2007年VOA常速英语（十月）
US Could by 2017 Be World's Biggest Oil Producer The International Energy Agency says that by 2017 the United States is likely to overtake Saudi Arabia as the world's biggest oil producer. The Paris-based energy agency said Monday in its annual forec
英语新闻
BEIJING China has clarified for the first time a closely watched issue over land rights that has caused uncertainty for the millions of Chinese who park their wealth in their homes. 北京中国首次澄清了公众密切关注的一个土地使用权问
英语新闻
A bureaucrat was hiking when he came upon a shepherd tending a large flock. The bureaucrat took a fancy to the sheep and asked the shepherd, If I can guess how many there are, may I have one? The shepherd thought it unlikely the man would guess the e
趣味英语
By Scott Bobb Johannesburg 17 November 2006 In Zimbabwe, the association representing commercial farmers is reacting with caution to the government's latest offer to compensate white farmers for farms seized under a controversial land reform program
2006年VOA标准英语（十一月)
The chief U.N. nuclear inspector begins another to visit to Iran on Monday, saying his highest priority is getting answers to allegations of military dimensions to the Iranian nuclear program. Speaking before he left Vienna on Sunday, International A
英语新闻
The United Nations' nuclear watchdog agency has passed a resolution that cites deep and increasing concern about Iran's nuclear activities. The 35-member board of the International Atomic Energy Agency approved the resolution Friday, about a week aft
英语新闻
ROME, Dec. 9 (Xinhua) -- Juventus defender Leonardo Bonucci apologised for his embarrassing dive following his side win 1-0 at Palermo on Sunday. Bonucci was warned by the referee when he fell to the ground after being challenged by goalkeeper Samir
英语新闻