“segway”相关日志

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  Segway HT 澳德听力朗读练习1020天前

  作者：沈阳市澳德外语培训中心　标签： Segway  Human  Transporter 

  SCIENCE REPORT - December 20, 2001: Human Transporter By Nancy Steinbach This is the VOA Special English Science Report. An American invento...