investment grade

英 [investment grade]
美 [investment grade]

中文释义

投资级别

单词分析

单词结构：

investment grade

字母数：16

记忆提示

🎯 重点记忆：

  • 单词拼写：investment grade
  • 核心含义：投资级别

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更新时间：2026-02-04 23:35:42