color vector illustration of children's activity coloring book pages with pictures of internal organ blood. - 柯氏器 幅插畫檔、美工圖案、卡通及圖標符號
the organ of corti is an organ of the inner ear located within the cochlea which contributes to audition - 柯氏器 幅插畫檔、美工圖案、卡通及圖標
