N → same as spiral staircase
One of the steps of a winding staircase.
他精神十足地跃上一级宽阔的台阶。
It had the classic Apple store winding staircase and weird upstairs sitting area.
这些商店有典型的苹果螺旋楼梯和奇特的楼上休息区。
It looked like an Apple store. It had the classic Apple store winding staircase and weird upstairs sitting area.
它们看上去真像苹果的产品,和真的苹果专卖店并没有什么区别。
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