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secondary barrier
secondary barrier
英
[secondary barrier]
美
[secondary barrier]
中文释义
[医]次级屏蔽物
单词分析
单词结构:
secondary barrier
字母数:17
记忆提示
🎯 重点记忆:
单词拼写:secondary barrier
核心含义: [医]次级屏蔽物
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更新时间:2026-02-01 23:14:11