on-line help system

英 [on-line help system]
美 [on-line help system]

中文释义

连线求助系统

单词分析

单词结构：

on-line help system

字母数：19

记忆提示

🎯 重点记忆：

  • 单词拼写：on-line help system
  • 核心含义：连线求助系统

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更新时间：2026-01-30 14:04:30