单词：vibration excitor
单词：vibration excitor 相关文章
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. When we think about how to represent sound visually, most of us probably picture those volume-dependent sine waves. But thats not how John Stuart Reid
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By Greg Flakus Houston 26 January 2006 This week thousands of movie directors, writers, actors and Hollywood executives are huddled together in the ski resort town of Park City, Utah attending two ind
2006年VOA标准英语（一月）
By Matt Steinglass Hanoi 11 December 2007 Vietnam has been holding four Vietnamese-born American citizens since late November, accusing them of terrorism. The U.S. ambassador to Hanoi has criticized Vietnam's conduct in holding the U.S. citizens. Mat
VOA常速英语2007年（十二月）
图片1 At Culips we always try to be a little crazy! This word has a literal meaning but also tons of slang ways to use it. In North America it is a very popular word. Other similar words include, insane, bananas, nuts. Check out this podcast to hea
英语博客-北美风情
12 December 2007 Vietnam has released three of the four Vietnamese-born United States citizens it arrested in November and accused of involvement in terrorism. The release comes a day after the U.S. ambassador criticized the detentions. Matt Steingla
VOA常速英语2007年（十二月）
By Gilbert da Costa Abuja 08 August 2007 Nigeria Nigeria has approved citizenship status for about7,000 Liberian and Sierra Leonean refugees in the West African country. For VOA, Gilbert da Costa in Abuja reports that the refugees opted to remain in
2007年VOA标准英语（八月）