单词：viscosity improver
单词：viscosity improver 相关文章
Now if you use the right kind of atoms and you get them cold enough, something truly bizarre happens. 如果使用正确的原子，并让其足够冷却，奇迹就会发生。 It's no longer a solid, a liquid or a gas. It enters a new state of matt
TED演讲教育篇
Canadian poet George Bowering says we experience the mind of another person when we enjoy poetry, jazz or love. He believes this vision of human intellect is the closest thing we have to the divine. Welcome to This I Believe, an NPR series presentin
2007年NPR美国国家公共电台
This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Usually, we trust common sense to solve problems. Is a runny mixture too thick? Add some fluid. Thatll make it runnier. Except when the fluid makes it th
Scientific American(二)月
02The Comedy Club GLOSSARY sketch comedy several short, funny scenes (acts) by a group of actors andcomedians* Saturday Night Live is a TV show that is famous for its sketch comedy. stand-up a type of comedy where one comedian speaks informally and t
2007年ESL之餐饮娱乐
232. A vocation for the vigorous 充满活力者的职业 vigor-vocational The vigor and vitality that one must possess to be a doctor is amazing. Perhaps many have the vision, but only the truly vigorous can handle such a vocation. Virtuosity is a m
胡敏托福词汇记单词
Vaccine - a planned exposure to an antigen in order that memory B lymphocytes can retain a memory for it. In practice the organism carrying the antigen is either killed or modified so that it does not
医务英语
As the final two Democratic primaries take place today in South Dakota and Montana, there has been a surge of superdelegates declaring their support for frontrunner Barack Obama, who's close to clinching the majority he needs to be the Democratic no
2008年NPR美国国家公共电台六月
You have a rough start to the day. Or the week. Or the year. How do you bounce back? How do you get things back on track? Sometimes its all about bringing a positive attitude. 你今天一开始就不顺。或这一周不顺。或这一年都不顺。那
励志英语
By Mil Arcega Washington 25 May 2007 Technology and high gasoline prices are helping to coax hard-to-extract oil from California's oil fields. Production at some of the state's older oil fields is expected to dry up in about 25 years, but Chevron say
2007年VOA标准英语（五月）
Numerous undemocratic regimes now enjoy solid American backing Mohamed Elshinnawi | Washington, DC 11 May 2010 Mideast scholars believe President Obama should recognize that many of the Islamist groups whose policies and tactics the US opposes are of
VOA标准英语2010年(五)月
You might think frogs catch insects cause their tongues are sticky. But why is the tongue sticky, and how does it actually adhere to these insects at these very high accelerations? 也许你认为青蛙能捕食昆虫是由于舌头很粘的缘故。但
2017年Scientific American(三)月
Frog Spit Behaves Like Bug-Catching Ketchup 青蛙唾液竟然类似番茄酱？ You might think frogs catch insects cause their tongues are sticky. But why is the tongue sticky, and how does it actually adhere to these insects at these very high acc
2017年科学美国人(七)月
Hundreds of cheeky travellers across the globe rode trains, tubes and subways today with no trousers on as a part of the 'No Pants Subway Ride' day. 今天，全球成百上千的人扔掉节操，脱掉裤子，搭上火车地铁，参加到地铁无裤
阅读空间
By Greg Flakus Houston, Texas 17 May 2007 High energy prices, coupled with rising demand, are putting pressure on the oil and gas industry worldwide. Many companies are finding and developing new, underwater fields. More than 67,000 representatives o
2007年VOA标准英语（五月）
Agriculture Report - Tomato's Genetic Secrets Are Peeled Away This is the VOA Special English Agriculture Report. Scientists have made a genetic map of the tomato. Tomatoes are second only to potatoes as the world's most valuable vegetable crop. Eigh
2012年VOA慢速英语(七)月
By Jason Strother Seoul 05 November 2009 Some South Koreans think their nation has an image problem. While it ranks as one of the world's top economies, international surveys show that South Korea's brand value - how others perceive the country - is
VOA标准英语2009年(十一月)
最近游泳世锦赛在匈牙利举行，大家在看比赛为中国队加油的同时，也来跟Jenny和Spencer学一下各种泳姿英语怎么说！ Swimming styles: 泳姿 除了swimming, 游泳还有一个非常口语的说法： Take a dip 四种
美国文化脱口秀
Now,you are,I had some many people tell me in the comedy community what a terrifc improviser you are.thanks. 在喜剧界有好多人告诉我 你是个超级棒的即兴表演者 谢谢 Watched you do improv in in shows and say you're really good. 他
柯南脱口秀