radium standard
查询英语单词中文释义、音标、发音和例句。
radium standard
英
[radium standard]
美
[radium standard]
中文释义
镭标准源
单词分析
单词结构:
radium standard
字母数:15
记忆提示
🎯 重点记忆:
- 单词拼写:radium standard
- 核心含义: 镭标准源
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更新时间:2026-09-01 06:52:20