哪位畫畫的達人給解釋一下：cobalt blue為什麽要貴很多？謝謝！

來源: sac 於 2012-11-03 10:57:04 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.