活性颜料 [颜料] active pigment
化学活性颜料 chemically active pigment
光活性颜料电照相体系 PAPE ; Photo activepigment electrophotography
活颜料
Living pigment
以上为机器翻译结果，长、整句建议使用 人工翻译 。
“活颜料”是个比喻，意味着绘制岩画最初使用的颜料已被画作表面微生物取代。
"Living pigments" is a metaphorical device to refer to the fact that the pigments of the original paint have been replaced by pigmented micro-organisms.
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