相关单词同義詞expressway, freeway, 近義詞 track 軌道, course 課程, circuit 巡廻, racecourse 賽馬跑道, racetrack 跑道臨近詞speedo, speed, speed power, speeding up, speed sight, speed modem, speed droop, speed servo, speed input, speed order, speed force, speed start相似詞speedboat, speeding, speedometer, Speedos, speedy, speleologist, speleology, spell, 返回 speedway