常见例句双语例句The foot bar is that part which differs it from other scooters. Customers just need step on treadle to make it glide, no need drive the ground.这个踏杆就是酷步车与其它滑板车不一样的地方，只需踩动踏杆就可以连续滑行，无需蹬踩地面。blog.sina.com.cn 返回 treadle drive