smoke prevention staircase

[smoke prevention staircase]
[smoke prevention staircase]

中文释义

防烟楼梯

单词分析

单词结构:

smoke prevention staircase

字母数:26

记忆提示

🎯 重点记忆:

  • 单词拼写:smoke prevention staircase
  • 核心含义:防烟楼梯