Stairs

Stairway of the Opéra Garnier (Paris, France)

Stairways in Persepolis, Iran, built ca. 550 B.C.

A straight stairway with tiled treads, a double railing and two landings in the

The simplest form of staircase, down to Man o'War Cove, Dorset, England

A stairway, staircase, stairwell, flight of stairs, or simply stairs is a construction designed to bridge a large vertical distance by dividing it into smaller vertical distances, called steps. Stairs may be straight, round, or may consist of two or more straight pieces connected at angles.

单词	Double spiral staircase
释义	Double spiral staircase 英语百科 Stairs A stairway, staircase, stairwell, flight of stairs, or simply stairs is a construction designed to bridge a large vertical distance by dividing it into smaller vertical distances, called steps. Stairs may be straight, round, or may consist of two or more straight pieces connected at angles.
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Double spiral staircase

Stairs