rollway

詳細解釋：

roll.way

n.（名詞）
A surface along which cylindrical objects or objects on rollers may be moved, especially a naturally or artificially inclined surface used by lumberjacks to slide logs into a waterway for transport.
滾木台：一種沿表面可移動圓筒狀或裝有小腳輪的物體的平台，尤指伐木工用的可把原木滑滾到水道上以便於水路運輸的天然或人工平台