strengthening and toughening

[strengthening and toughening]
[strengthening and toughening]

中文释义

强化与增韧

单词分析

单词结构:

strengthening and toughening

字母数:28

记忆提示

🎯 重点记忆:

  • 单词拼写:strengthening and toughening
  • 核心含义:强化与增韧