on a voluntary basis

英 [on a voluntary basis]
美 [on a voluntary basis]

中文释义

在自愿的基础上

单词分析

单词结构：

on a voluntary basis

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：on a voluntary basis
  • 核心含义：在自愿的基础上

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更新时间：2026-02-04 03:50:25