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helical staircase
helical staircase
英
[helical staircase]
美
[helical staircase]
中文释义
[建] 螺旋式楼梯
单词分析
单词结构:
helical staircase
字母数:17
记忆提示
🎯 重点记忆:
单词拼写:helical staircase
核心含义:[建] 螺旋式楼梯
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更新时间:2026-01-31 18:17:40