红火箭蓝盒 · 红火箭蓝盒3级
What Can Float?
Look! A boat can float. It floats on the water.
A balloon can float. It floats in the sky.
Look! A leaf can float. It floats on the water.
A surfboard can float. It floats on the sea.
Look! A duck can float. It floats on the water.
