activity source

英 [activity source]
美 [activity source]

中文释义

射源

单词分析

单词结构：

activity source

字母数：15

记忆提示

🎯 重点记忆：

  • 单词拼写：activity source
  • 核心含义：射源

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更新时间：2026-02-01 17:55:54