I remember well the polished oak case fastened to the wall on the lower stair landing.

我记得很清楚，擦得亮亮的橡木盒子固定在楼梯下方的平台的墙壁上。

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So I stowed the treasure in my jacket and rowed as fast as I could to the stair landing.

我便把这件宝物藏在上衣里，尽快地朝楼梯平台划过去。

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A concave bend of a handrail where a sharp change in level or direction occurs, AS at a stair landing.

弯子栏杆的凹弯，此处有急骤的高度或方向变化，如在楼梯底座处。

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