Study of the ecological dyeing process of the infant and child used fabrics using the red color series of natural dyes with the sienna as a mordant是什么意思_Study of the ecological dyeing process of the infant and child used fabrics using the red color series of natural dyes with the sienna as a mordant在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句