加州科学分级 · 加州科学Time For Kids G1
What Is Wool? by Michele Warrence-Schreiber
羊毛是什么?作者:Michele warren - schreiber
What is wool? Wool comes from sheep.
羊毛是什么?羊毛来自绵羊。
Wool is made into yarn. We use yarn to make clothes.
羊毛被制成纱线。我们用纱线做衣服。
What keeps you warm? Wool keeps you warm!
什么能让你保暖?羊毛可以保暖!
