melanogen素: white原: primary; original; former黑素: melanine; melanocyte; melanotic pigment; pigmentum nigrum; pigmentum nlgrum胆素原: urobilinogen毒素原: toxigene; toxogen下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:黑素原，即可在微信中查询翻译
