background concentra
查询英语单词中文释义、音标、发音和例句。
background concentration
英
[background concentration]
美
[background concentration]
中文释义
本底浓度
单词分析
单词结构:
background concentration
字母数:24
记忆提示
🎯 重点记忆:
- 单词拼写:background concentration
- 核心含义:本底浓度
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更新时间:2026-08-30 07:45:39