protoactinium (pa) (
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protoactinium (pa) (protactinium)
英
[protoactinium (pa) (protactinium)]
美
[protoactinium (pa) (protactinium)]
中文释义
镤
单词分析
单词结构:
protoactinium (pa) (protactinium)
字母数:33
记忆提示
🎯 重点记忆:
- 单词拼写:protoactinium (pa) (protactinium)
- 核心含义:镤
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更新时间:2026-09-27 02:49:48