n.步进(通过透镜天线后波前的取平；改变)
The junior executive was impatient for promotion but knew that he would only get it by stepping into a dead man's shoes. 这位下级行政官员急不可待地想晋升，但他知道只有待某人死后或退休后才能步其后尘，谋取其职。
He's a terrible dancer; he's too clumsy and keeps stepping on my feet. 他跳舞跳得糟透了，笨手笨脚的，老是踩我的脚。
A counter used in the arithmetical unit to count the steps in multiplication, division, and shift operation. 在运算部件中，对乘、除、移位操作中的操作步进行计数所用的一种计数器。
n.踏脚石；手段；方法
v.超过（正常或容许的范围）；〈法〉违犯
n.横步上坡
