相關單詞近義詞 track 軌道, flight 飛行, route 路線, course 課程, path 路線, line 線, trail 蹤跡, circuit 巡廻, direction 方曏, arc 弧, trace 痕跡, curve 曲線臨近詞tram, traitor, trajectory map, trajectory case, trajectory node, trajectory peak, trajectory bias, trajectory data, trajectory plan, trajectory link, trajectory logic, trajectory plane 返回 trajectories