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彩色棉花问世美国亚利桑那的一个位女在学家，最近利用遗传工程技术，培育了红色、乳白色、褐红色、褐绿色四种颜色的彩色棉花。彩色棉花问世...
Color cotton came out A woman scientist in Arizona, USA, recently used genetic engineering to breed colored cotton in four colors, red, cream white, maroon and brown. Color cotton come out ...