你听说过浮桥吗?
A stabilizer for a canoe; spars attach to a shaped log or pontoon parallel to the hull.一种轻舟的稳定器;定在成型圆木的桅杆或与船体平行的浮筒。
A German motorized artillery column crossing the Don river by means of a pontoon bridge on July 31, 1942.1942年7月31日,一支德国摩托化炮兵纵队正在通过浮桥横渡顿河。