voluntary labo(u)r s
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voluntary labo(u)r service
英
[voluntary labo(u)r service]
美
[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
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更新时间:2026-09-21 09:44:18