经典科普资源 · Ready to read天气
Clouds written by Marion Dane Bauer illustrated by John Wallace
Can you make a cloud?
Breathe out on a cold day. See your breath? You have made a cloud.
Can you walk in a cloud? Fog is a cloud stretched along the ground. Have you ever walked in fog?
There are three kinds of clouds. Cirrus. That means "curl." Curl clouds are wisps high in the sky.
Stratus. That means "layered" or "spread out." Fog is a layered cloud.
