送交者: tinaliang 于 2009-11-13, 12:32:36:

回答: Plane of the same shape flies easier at low altitude 由 gyro 于 2009-11-13, 12:29:46:

• 为什么笑呀， (无内容) - coubert (0 bytes) 2009-11-13, 12:36:26 (385569)
  • 好笑啊. 你俩文科的? (无内容) - tinaliang (0 bytes) 2009-11-13, 12:40:05 (385575)
    • My major is natural philosophy - gyro (52 bytes) 2009-11-13, 12:41:18 (385576)
      • you move forward by moving media around you backward, like swimming. (无内容) - tinaliang (0 bytes) 2009-11-13, 12:47:36 (385586)

加跟贴