pteropodium

例句：

1. 1. The pteropodium is the part of a dragonfly that helps it fly.
   蜻蜓的翅膀是帮助它飞行的部分。
2. 2. The pteropodium is where the dragonfly's eyes are located.
   蜻蜓的翅膀是蜻蜓眼睛所在的位置。
3. 3.The pteropodium is also known as the "wings" of the dragonfly.
   蜻蜓的翅膀也被称为蜻蜓的“翅膀”。