slingboard

例句：

1. 1. The kids were having so much fun with their slingboards.
   孩子们用他们的弹弓板玩得很开心。
2. 2. She was trying to hit a target with her slingboard.
   她试图用她的弹弓板击中目标。
3. 3.I saw him practicing his slingboard skills in the park.
   我在公园看到他在练习他的弹弓板技巧。