STEPSn.太阳热离子电源系统（=Solar Thermionic Electrical Power System ）；台阶，步骤（名词step的复数形式）stepn.步骤；台阶；舞步；步伐v.踏；以步测量Stepanchikov斯捷潘奇科夫stepmotherlyadj.继母的stepharanine千金藤宁step outsidevi.离开现在的地方去另一个地方；大概是去打架stepsolution分步解算step-tunedadj.分级调谐的step library步进程序库step felling阶段状采伐step outward向外走一步step - pad阶梯垫