我最近中午爬楼梯二圈，每层二梯，一个梯十一阶。但我发现最后一层的台阶比其他层高，等我明天拿尺子量一下。

来源: 玄米于 2025-11-13 05:49:49 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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