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permanent defenses
permanent defenses
英
[permanent defenses]
美
[permanent defenses]
中文释义
永备防御工事
单词分析
单词结构:
permanent defenses
字母数:18
记忆提示
🎯 重点记忆:
单词拼写:permanent defenses
核心含义:永备防御工事
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更新时间:2026-03-07 15:04:59