乱跳的

例句：

1. 1. The children were jumping on the trampoline.
   孩子们在蹦床上跳跃。
2. 2. She jumped at the unexpected sight of a dog.
   她被狗的突然出现吓了一跳。
3. 3. He skipped the gym class to join his friends for a game of basketball.
   他跳过体育课去和朋友们打篮球。