dipteral building

例句：

1. 1.The bird has a dipteral wing structure.
   这只鸟有一对翅膀。
2. 2.The dinosaur had a dipteral body.
   这种恐龙有一个双翅的身体。
3. 3.The baby giraffe has a dipteral neck.
   小长颈鹿有一对翅膀般的脖子。