spontaneous combustion of coal

[spontaneous combustion of coal]
[spontaneous combustion of coal]

中文释义

煤自燃

单词分析

单词结构:

spontaneous combustion of coal

字母数:30

记忆提示

🎯 重点记忆:

  • 单词拼写:spontaneous combustion of coal
  • 核心含义:煤自燃