双翅类的

例句：

1. 1. The bird's wings are strong and flexible.
   这只鸟的翅膀强壮且灵活。
2. 2. The butterfly has two pairs of wings for flight.
   蝴蝶有两对翅膀用于飞行。
3. 3. The bat uses its wings to fly at night.
   蝙蝠使用它的翅膀在夜间飞行。