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help-yourself system
help-yourself system
英
[help-yourself system]
美
[help-yourself system]
中文释义
自助制度
单词分析
单词结构:
help-yourself system
字母数:20
记忆提示
🎯 重点记忆:
单词拼写:help-yourself system
核心含义:自助制度
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World Federation of Scientific Workers
更新时间:2026-03-20 12:03:31