红火箭黄盒 · 红火箭黄盒1级
Things With Wings
Planes have wings to fly They can fly up high. People fly in planes. They can fly fast.
Birds have wings to fly. Their wings have feathers. Some birds can swim and fly.
Ostriches have two wings. but they can't fly. They run fast with their wings out.
Penguins have two wings, but they can't fly. They swim fast with their wings like flippers.
Some insects have wings. Butterflies have four wings. Bees and moths have four wings, too.
