pyrotechnic composition for signaling

[pyrotechnic composition for signaling]
[pyrotechnic composition for signaling]

中文释义

[化] 信号剂

单词分析

单词结构:

pyrotechnic composition for signaling

字母数:37

记忆提示

🎯 重点记忆:

  • 单词拼写:pyrotechnic composition for signaling
  • 核心含义:[化] 信号剂