symmetrical digital subscriber line

英 [symmetrical digital subscriber line]
美 [symmetrical digital subscriber line]

中文释义

对称数字用户线

单词分析

单词结构：

symmetrical digital subscriber line

字母数：35

记忆提示

🎯 重点记忆：

  • 单词拼写：symmetrical digital subscriber line
  • 核心含义：对称数字用户线

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更新时间：2026-03-24 08:47:22