A dark green synthetic dyestuff, C20H19N3HCl, used to make a purple-red dye employed in coloring textiles and leather and as a bacterial stain.是什么意思_A dark green synthetic dyestuff, C20H19N3HCl, used to make a purple-red dye employed in coloring textiles and leather and as a bacterial stain.在线翻译_英语_读音_用法_例句