说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 conductor She is a very kind conducto

发表于:2018-12-05 / 阅读(58) / 评论(0) 分类 每日攻克5词

by Jason Marshall Weve now talked about three methods for calculating average values: the mean, median, and mode (affectionately known as the three Ms). So, are we done? Is that everything we could ever want to know about interpreting average values?

发表于:2018-12-07 / 阅读(72) / 评论(0) 分类 数学英语

Oksana Dragan The United States boasts at least several dozen balalaika orchestras - ensembles that feature the triangular, three-stringed lute-like Russian folk instrument. Today on new American Voic

发表于:2018-12-08 / 阅读(57) / 评论(0) 分类 VOA2004(上)--艺术专集

Leonard Bernstein: Composer, Conductor, Pianist and Teacher Written by Jerilyn Watson (MUSIC) ANNCR: Welcome to People in America in VOA Special English. Today, Rich Kleinfeldt and Sarah Long tell about the life and work of one of the most influentia

发表于:2019-01-02 / 阅读(49) / 评论(0) 分类 名人轶事

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(72) / 评论(0) 分类 Scientific American(十)月

Tom is applying for a job as a signalman for the local railroad, and is told to meet the inspector at the signal box. The inspector decides to give Tom a pop quiz, asking, What would you do if you realized that two trains were heading towards each ot

发表于:2019-01-26 / 阅读(88) / 评论(0) 分类 趣味英语