opt-

英 [opt-]
美 [opt-]

中文释义

pref. [用于元音字母前] =opto-：optic

单词分析

单词结构：

opt-

字母数：4

记忆提示

🎯 重点记忆：

  • 单词拼写：opt-
  • 核心含义：pref. [用于元音字母前] =opto-：optic

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更新时间：2026-02-08 15:28:20