疣，肉赘长于皮肤上的粗糙的硬块，由一定的病毒感染引起，一般出现于手足部 A hard, rough lump growing on the skin, caused by infection with certain viruses and occurring typically on the hands or feet.
猫的舌面是毛糙的。 A cat's tongue is rough.
由于这人双手粗糙，我断定他为农业工人。 As the man had rough hands, I set him down for a farm worker.
饮食不好可能引起皮肤粗糙。 Roughness of the skin can be caused by bad diet.