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sealed radioactive source
sealed radioactive source
英
[sealed radioactive source]
美
[sealed radioactive source]
中文释义
密封放射源
单词分析
单词结构:
sealed radioactive source
字母数:25
记忆提示
🎯 重点记忆:
单词拼写:sealed radioactive source
核心含义:密封放射源
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更新时间:2026-01-28 03:52:48