Wool
Wikipedia，自由的百科全书
（修訂版本間差異）
17:08 2007年一月30日的修訂版本
Wool is the fibre derived from the fur of animals of the Caprinae family, principally sheep, but the hair of certain species of other mammals such as goats, alpacas and rabbits may also be called wool. This article deals explicitly with the wool produced from domestic sheep.
Wool has two qualities that distinguish it from hair or fur: it has scales which overlap like shingles on a roof and it is crimped; in some fleeces the wool fibres have more than 20 bends per inch.
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