high-grade iron ore

[high-grade iron ore]
[high-grade iron ore]

中文释义

[矿物] 富铁矿

单词分析

单词结构:

high-grade iron ore

字母数:19

记忆提示

🎯 重点记忆:

  • 单词拼写:high-grade iron ore
  • 核心含义:[矿物] 富铁矿