秀之美adahe
台阶 step,stair 关联词条:sidestep ,pedestal sit box steps step bench terraces例句:参观的人成千上万，把台阶踩得不像样子了。The steps had been worn away by the feet of thousands of visitors.他在石头台阶上（跌倒了，）擦破了小腿的皮。He barked his shins (by falling) against some stone steps.小心那个台阶！Mind that step!
星无畏惧
阶梯:Ladder名词1.ladder2.stairsflight楼梯:Staircase名词1.stair2.staircase3.stairs4.stairwayStep也可以做台阶的结实
