extractable colouring matter的意思|示意

释义可提取有色物 ... extractable colouring matter 释义可提取有色物 extractable organic matter 可提取的有机质 extractable coloring matter 可提取有色物 ...

可提取有色物 可提取有色物 extractable coloring matter; extractable colouring matter 不能采取有效行动 unable to take effective action powerless or helpless ..