| 单词 | geometrical staircase |
| 释义 | Definition of geometrical staircase in English:geometrical staircasenoun
OriginMid 18th century; earliest use found in Jonas Hanway (bap. 1712, d. 1786), merchant and philanthropist. Definition of geometrical staircase in US English:geometrical staircasenoun
OriginMid 18th century; earliest use found in Jonas Hanway (bap. 1712, d. 1786), merchant and philanthropist. |
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