sway brace

例句：

1. 1. The tree sways gently in the breeze.
   这棵树在微风中轻轻摇摆。
2. 2. The swing set is a favorite pastime for children.
   秋千是孩子们最喜欢的娱乐活动。
3. 3. The boat sways back and forth in the calm water.
   小船在平静的水面上来回摇摆。