primary ground line

查询英语单词中文释义、音标、发音和例句。

primary ground line
英 [primary ground line]
美 [primary ground line]

中文释义

主基线

单词分析

单词结构：

primary ground line

字母数：19

记忆提示

🎯 重点记忆：

  • 单词拼写：primary ground line
  • 核心含义：主基线

最近查询：

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更新时间：2026-08-31 10:09:17