详细解释:a. 沙毛的
n. 沙毛牲畜, 柔软的羊皮
【机】 漆叶鞣制的棉羊革
英语解释：
名词 roan:
a soft sheepskin leather that is colored and finished to resemble morocco; used in bookbindinga horse having a brownish coat thickly sprinkled with white or gray形容词 roan:
(used of especially horses) having a brownish coat thickly sprinkled with white or grey例句：
Jump in, there is roan for one more person in the car.快进来，汽车里还可以坐1个人。