大多数手工地毯都是羊毛做成，自然的染料将羊毛进行染色，这直到19世纪化学染料被生产出来。
Most handmade carpets are made from sheep's wool. Natural dyes were used until the 19th century, when chemical dyes were introduced.
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我们的地毯是用中国纯羊毛手工织成的。
Our carpet is hand - made of pure Chinese wool.
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