Her orbital speed must be a few hundred meters per second.其轨道速度一定是在每秒几百米。the M25 London orbital伦敦M25高速环行路The newly discovered world followed an orbital path unlike that of any other planet.新发现的这个天体具有不同于任何其他行星的运行轨道。...
George said, 'Ida, how are you?' She frowned for a moment and then recognition dawned. 'George Black. Well, I never.'...乔治说：“艾达，你好吗？”她皱了一会儿眉头，然后才认出他。“乔治·布莱克，噢，我一直都不好。”Ida would not speak to him except...