bucking ladder

例句：

1. 1. The children were having a great time on the bucking ladder.
   孩子们在摇摆梯上玩得很开心。
2. 2.The old man was trying to climb up the bucking ladder with his grandson.
   老人试图和他的孙子一起爬摇摆梯。
3. 3.The kids were amazed at how high they could go on the bucking ladder.
   孩子们对摇摆梯能让他们升多高感到惊讶。