hop fly

例句：

1. 1. The dog hopped over the fence excitedly.
   狗兴奋地跳过了篱笆。
2. 2. She hopped to the top of the hill quickly.
   她迅速跳到山顶上。
3. 3. The children were hopping and jumping in the playground.
   孩子们在操场上蹦蹦跳跳。