The cotton gray fabric has a colour of yellowish-white. After bleaching there occur var-ious coloured defects (usual blue and red) on it.
棉织物坯布呈米黄色，漂白后布面上呈现各种有色疵点，其中以红色和蓝色为主。
People utilized the natural coloured material and dyed silk, cotton, wool fabric, etc. to begin very early.
人们利用天然有色物质染丝、棉、毛织品等很早就开始了。
People utilized the natural coloured material and dyed silk, cotton, wool fabric, etc. to begin very early.
人们利用天然有色物质染丝、棉、毛织品等很早就开始了。
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