running board saddle

例句：

1. 1.The car has a comfortable running board and a spacious seating area.
   这辆车有一个舒适的活动板和宽敞的乘坐区域。
2. 2. The new bike has an adjustable running board that can be used for both children and adults.
   这款新自行车有一个可调节的活动板，既可以供儿童使用也可以供成人使用。
3. 3. The camping tent has a built-in running board that makes it easy to get in and out of the tent.
   这个露营帐篷有一个内置的活动板，使得进出帐篷变得非常容易。