单词：pulse shortening
单词：pulse shortening 相关文章
STEVE EMBER: Im Steve Ember. SHIRLEY GRIFFITH: And Im Shirley Griffith with EXPLORATIONS in VOA Special English. Today we travel to India by way of the John F. Kennedy Center for the Performing Arts in Washington, D.C. This cultural organization is c
2011年VOA慢速英语(三)月
A team of American investors currently touring Africa looking for opportunities says the U.S. financial crisis could sharply restrict western investment in emerging economies. But VOA correspondent Peter Heinlein in Addis Ababa reports Africa's best
VOA标准英语2008年（九月）
Likewise, light travels at its maximum speed through a vacuum-the interstellar highway-but it slows down when it enters air, water, or some other medium. Through air, light moves a hint slower: forty miles-per-second less than its maximum speed. Thro
英语时差8，16
今天我们要学的词是age limit。 Age limit, 年龄限制。社交网站脸书网并不是任何人都能注册帐户的。 Facebook enforces an age limit of 13 years or older to register an account, 脸谱网规定，只有满13岁的人才能注
英语单词荟萃
Facebook's initial public offering was May 18. CNBC was covering the event live. Ian went online at 11 a.m. Shares were selling at $39 each. He decided to gamble his entire savings of $5,000. He placed a market order to buy 128 shares. He waited for
英文短篇故事（纽约）
世界上跑得最快的是什么？答案是光速。它每秒能跑186,280英里。因为即使在太空中，光速也大致相同，所以光年也就用于描述不同星球之间的距离。记住了哦，光年是距离单位，不是时间单位
英语听力文摘 English Digest