was at pains

英 [was at pains]
美 [was at pains]

中文释义

prep. 费尽力气

单词分析

单词结构：

was at pains

字母数：12

记忆提示

🎯 重点记忆：

  • 单词拼写：was at pains
  • 核心含义：prep. 费尽力气

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更新时间：2026-01-07 00:41:31