rollway

n. 滚木坡

roll.way

n.（名词）
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.
滚木台：一种沿表面可移动圆筒状或装有小脚轮的物体的平台，尤指伐木工用的可把原木滑滚到水道上以便于水路运输的天然或人工平台