billions upon billions of

英 [billions upon billions of]
美 [billions upon billions of]

中文释义

亿万,无数亿

单词分析

单词结构：

billions upon billions of

字母数：25

记忆提示

🎯 重点记忆：

  • 单词拼写：billions upon billions of
  • 核心含义：亿万,无数亿

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更新时间：2025-12-09 15:32:45