grade sand

英 [grade sand]
美 [grade sand]

中文释义

分选砂;分级砂

单词分析

单词结构：

grade sand

字母数：10

记忆提示

🎯 重点记忆：

  • 单词拼写：grade sand
  • 核心含义：分选砂;分级砂

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更新时间：2026-03-17 05:17:14