Stephan.斯蒂法stepn.步骤；台阶；舞步；步伐v.踏；以步测量Stephania sinica Diels华千金藤Stepping over distance走刀步长Stephanodiscus astraean.星冠盘藻step by step connector步进制终接器step before earthquake震前台阶stephanurosis of swine猪肾虫病step off the big plank进棺材； 死step function response阶跃函数响应step - up substation升压变电所Stephania kwangsiensisn.广西地不容