melanosome素: white黑色素小体 黑素粒 暗色体: melanosome色素粒: grana; pigment granule; pigmentgranule黑素: melanine; melanocyte; melanotic pigment; pigmentum nigrum; pigmentum nlgrum黑色素粒: melanin granule下载手机词典可随时随地查词查翻译