downward illumination

英 [downward illumination]
美 [downward illumination]

中文释义

向下照明

单词分析

单词结构：

downward illumination

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：downward illumination
  • 核心含义：向下照明

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更新时间：2026-01-06 20:15:52