lǎo / shī / yòng / rì / hé / yuè / shuō / míng / xiàng / xíng / zì / shì / zěn / yàng / xíng / chéng / de老师用“日”和“月”说明象形字是怎样形成的。The teacher used “sun” and “moon” to explain how pictographic characters were formed.