时速用英文翻译是不是speed per hour

His average speed had been 301 miles per hour.句子成分 his average speed had been 299 miles per hour 英语翻译reach a speed of over 50 miles per hour,这里的a speed of是固定 The train traves at a speed of 80 kilometres per hour 向划线部分( the train is moving at the speed of 120 miles per hour. you ____(drive)your car at the speed of 180km per hour!aren' 一道英文数学题,求解Becca runs at an average speed of 4 miles per hour Although Campbell reached a speed of over 304 miles per hour 求：the average speed over the 8 miles is 33 miles per hour.怎么 英语翻译1、The speed limit is fifty-five miles per hour.How far w The car runs( at a speed of 120km per hour.)对括号里提问,怎么提问 kilometer per hour