dipter

例句：

1. 1. The dipter was a symbol of the city's beauty.
   蜻蜓是这座城市美丽的象征。
2. 2. She spent hours watching the dipter dance in the park.
   她花了很多小时在公园里看蜻蜓跳舞。
3. 3. The dipter is a popular species in the region.
   蜻蜓是该地区的一种常见物种。