标签：Definition 相关文章
By Leta Hong Fincher Washington 29 November 2007 A team of U.S. and British researchers have unveiled a new map of Antarctica that they say will revolutionize research on the frozen continent and contribute to a deeper understanding of climate change
VOA常速英语2007年（十一月）
Prices determine how resources are to be used. They are also the means by which products and services that are in limited supply are rationed among buyers. The price system of the United States is a c
新东方现代文背诵篇章
So we have a lot of both formal and informal ways that we can create this environment. Probably the last thing that we do which has been very successful is weve created our own Internet for our scientists, so that they can go online and see what othe
世界500强CEO访谈
By Craig McCulloch Vancouver 13 May 2006 In February of 2009 all television stations in the United States are required to convert to digital transmission. This move will bring an end to traditional an
2006年VOA标准英语（五月）
Some people collect stamps. Other people collect CDs. I collect movies. Im a film buff and I have a collection of my favorite movies of all time. I usually buy a movie when it comes out on DVD, even if Ive seen it already on the big screen. I have a
地道美语播客
By Kathie Scarrah Washington, DC 10 January 2006 watch Electronics report The world's largest consumer technology trade show has just wrapped up in the United States. The annual event has pitted tradi
2006年VOA标准英语（一月）
By David McAlary Was 16 August 2006 Artist's rendition of solar system There may soon be three new planets in our solar system. The expansion would be the result of a proposed new definition of what a planet is. The change is controversial, but if a
2006年VOA标准英语（八月）
High School Dropout Hits It Big on the Internet In 1931, famed author James Truslow Adams popularized the term American Dream. He said life should be better and richer and fuller for everyone, with opportunity for each according to ability or achieve
VOA标准英语2011年(十二月)
A: Hey there, you look a little lost. Are you new here? B: Yeah howd you know? A: You can always spot the newbies. I can give you a few pointers if you want. Were you trying to use this machine here? B: Yeah! I just started my training today and Im n
纯正地道美语
In general when we refer to a theory we mean something that's not proven yet. In science it's different, as Yael and Don discuss in this Moment of Science. Y: Today, on A Moment of Science, we clear up the difference between a scientific theory and a
英语时差8，16
Beginners. Chess is a board game that my whole family likes to play. Even my youngest child likes to move the pieces around the board. She doesn't understand the rules at all, but copying us is fun. My mother bought us a beautiful chess set a few yea
英语博客 A cup of English
图片1 If you try to use an expression before you know the definition then you are getting ahead of yourself! That is why it is always good to listen to our podcasts We look at this expression and other similar ones about looking too far into the fu
英语博客-北美风情
By Mike O'Sullivan Los Angeles 12 March 2008 The battle between two rival high definition formats for video disks has been decided in favor of Blu-ray, which was jointly developed by Sony, Samsung, Philips and other companies. Mike O'Sullivan reports
VOA标准英语2008年（三月）
We've talked about well-being, wisdom, and wonder And now, the last element of the third metric of success: 我们讨论了健康 智慧 还有好奇下面再看成功第三种衡量方式的最后一个要素 Empathy, compassion, the willingness to
公众人物毕业演讲