grade line

英 [grade line]
美 [grade line]

中文释义

纵坡线;坡度线

单词分析

单词结构：

grade line

字母数：10

记忆提示

🎯 重点记忆：

  • 单词拼写：grade line
  • 核心含义：纵坡线;坡度线

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更新时间：2026-03-24 09:19:12