加州科学分级 · 加州科学Time For Kids G1
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Let's Predict the Weather by Nancy Leber
It is warm today. The sun makes things warm. It is cold today. The sun helps you stay warm.
clouds Some clouds are white. clouds Some clouds are gray. It may rain when clouds are gray.
It is raining. You may see a flash in a cloud. Then you will hear a sound. flash
You may see a rainbow after the rain. rainbow
