这时,众人看到,在七位丹师身后的墙(qiáng )壁(bì )上(shàng )出现了一块巨大的光字(zì )屏(píng ),一株灵药材出(chū )现(xiàn )在光字屏上。于是,众(zhòng )参试者不敢怠(dài )慢,仔(zǎi )细辨认(rèn )了灵药(yào )之后,当(dāng )即写(xiě )下这株灵药材的名字及特(tè )性。十息过后,这(zhè )株灵药消(xiāo )失,出(chū )现(xiàn )了另一株(zhū )灵药。光字(zì )屏上一(yī )株株灵药材逐一呈现,大都是普(pǔ )通的灵药材(cái ),从事炼丹的参试(shì )者,基本都会认识(shí ),