alternation of signs

英 [alternation of signs]
美 [alternation of signs]

中文释义

符号的变更

单词分析

单词结构：

alternation of signs

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：alternation of signs
  • 核心含义：符号的变更

最近查询：

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更新时间：2026-03-15 09:13:16