动 step on，stamp on，tread，make an investigation or survey on the spot ；

[例句] 他们脚下的石板路经过数百年的踩踏，磨得光溜溜的。 The flagstones beneath their feet were worn smooth by centuries of use.

[例句] 他关上门,踏上了1/4英里长的下山路. He closed his door and started the quarter-mile walk down the hill.