flutterboard

例句：

1. 1. She was so excited to fly a flutterboard in the park.
   她在公园里兴奋地放飞了一架纸飞机。
2. 2.The children were thrilled to see their flutterboards soar through the sky.
   孩子们看到他们的纸飞机在天空中翱翔时感到非常高兴。
3. 3. He carefully folded his flutterboard and placed it on the table.
   他小心翼翼地折叠好他的纸飞机，放在桌子上。