单词：resonant vibration of shafting
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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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The dark mood was evident in the ad that was developed in January 1985, 这种负面情绪在苹果公司1985年1月的广告中也有所体现， which was supposed to reprise the anti-IBM sentiment of the resonant 1984 ad. 这次的广告试图再次
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Chapter 55 第五十五章 Mr. Coutras was an old Frenchman of great stature and exceeding bulk. 库特拉斯医生是一个又高又胖的法国人，已经有了一把年纪。 His body was shaped like a huge duck's egg; 他的体型好象一只大鸭
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