| 单词 | spiral staircase |
| 释义 | spiral staircasenouna staircase constructed around a central axis Words nearby spiral staircasespiral line, spiral nebula, spiral of Archimedes, spiral organ, spiral spring, spiral staircase, spiral valve, spiral vein of modiolus, spirant, spirantize, spire Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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