stepinadj.伸腿穿入的(伸腿穿入的鞋等)stepn.步骤；台阶；舞步；步伐v.踏；以步测量step transformation阶步变换steps in the mud.泥中的脚印Stephanoxis lalandin.黑胸蜂鸟(蜂鸟科)stepwise phenomenon逐步现象step-tube counter步进式计数器step by step system步进方式,步进制steps towards peace走向和平的步骤step down amplifier降压放大器step-type support迈步式支架Stephania succiferan.小叶地不容