difficult to obtain material

[difficult to obtain material]
[difficult to obtain material]

中文释义

难于获得的材料

单词分析

单词结构:

difficult to obtain material

字母数:28

记忆提示

🎯 重点记忆:

  • 单词拼写:difficult to obtain material
  • 核心含义:难于获得的材料