深海R蔚蓝
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!
水果西瓜太郎
ladder ['lædə(r)] n. 梯子，阶梯;梯状物;途径;（紧身裤袜或长筒袜的）滑丝 vi. 使（袜子）发生抽丝现象;像长筒袜一样抽丝 第三人称单数:ladders;过去分词:laddered;名词复数:ladders;现在分... [例句]You had warned him to use the ladder.你已经提醒过他用梯子了。.
Dianayaoyao
阶梯:Ladder 名词 1.ladder 2.stairs flight 楼梯：Staircase 名词 1.stair 2.staircase 3.stairs 4.stairway Step 也可以做台阶的结实
