1·Here are the preserved duck eggs.
这是您点的皮蛋。
2·Duck, chicken or quail eggs are preserved in a mixture of clay, ash, salt, quicklime and rice hulls for up to several months.
鸭蛋，鸡蛋或鹌鹑蛋保存在粘土罐中，连同灰，食盐，石灰和米糠放一起几个月。