swing frame

例句：

1. 1. The swing frame on the playground is very stable.
   操场上的摇摆框架非常稳定。
2. 2.The swing frame was designed to be easy to use and safe for children.
   摇摆框架设计得易于使用，对儿童来说既安全又有趣。
3. 3. The swing frame was a popular choice for backyard play equipment.
   摇摆框架是后院娱乐设备中最受欢迎的选择之一。