voluntary labo(u)r service

[voluntary labo(u)r service]
[voluntary labo(u)r service]

中文释义

[劳经] 义务工

单词分析

单词结构:

voluntary labo(u)r service

字母数:26

记忆提示

🎯 重点记忆:

  • 单词拼写:voluntary labo(u)r service
  • 核心含义:[劳经] 义务工