cost-free

英 [cost-free]
美 [cost-free]

中文释义

adj.& adv. 免费的[地]

单词分析

单词结构：

cost-free

字母数：9

记忆提示

🎯 重点记忆：

  • 单词拼写：cost-free
  • 核心含义：adj.& adv. 免费的[地]

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更新时间：2026-02-02 23:02:36