let the world wag

例句：

1. 1. The tree sways gently inthe breeze.
   这棵树在微风中轻轻摇摆。
2. 2. The swings are a popularattraction for children.
   秋千是孩子们的热门游乐设施。
3. 3. The waves swayed back and forth as the boat sailed across the sea.
   当船驶过大海时，波浪来回摆动。