柯林斯詞典wheelbase /?wi?l?be?s/ (wheelbases) 1. N-COUNT The wheelbase of a car or other vehicle is the distance between its front and back wheels. 軸距[usu sing] 返回 wheelbase劍橋詞典the distance between the front and the back wheels of a motor vehicle （車輛前後輪的）軸距，輪組距 返回 wheelbase