answer signal with no charge

英 [answer signal with no charge]
美 [answer signal with no charge]

中文释义

[通信] 不计费应答信号

单词分析

单词结构：

answer signal with no charge

字母数：28

记忆提示

🎯 重点记忆：

  • 单词拼写：answer signal with no charge
  • 核心含义：[通信] 不计费应答信号

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更新时间：2026-02-04 02:19:51