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internal standard substance
internal standard substance
英
[internal standard substance]
美
[internal standard substance]
中文释义
内标物
单词分析
单词结构:
internal standard substance
字母数:27
记忆提示
🎯 重点记忆:
单词拼写:internal standard substance
核心含义:内标物
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更新时间:2026-02-01 19:59:39