基本解释n.圆锯齿状同根派生 英汉例句A rounded projection;a crenation. 钝锯齿；红细胞皱缩A rounded projection; a crenation. 钝锯齿；红细胞皱缩crenation degeneration [医] 皱缩变性(见于蕈样肉芽肿时)crenation of erythrocyte [医] 红细胞皱缩crenation of tongue 舌缘牙痕