A smooth surface or track for sliding, usually inclined.
用于滑行的平面或路径,通常是倾斜的。
2
A smooth surface or track for sliding, usually inclined.
滑面,滑道:用于滑行的平面或路径,通常是倾斜的。
3
They will ride around the very top of the track as they near the start line, then drop down to the bottom as much speed as possible from rolling down the steep inclined banking.