put their back to it

英 [put their back to it]
美 [put their back to it]

中文释义

vi. 发奋努力(下功夫)

单词分析

单词结构：

put their back to it

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：put their back to it
  • 核心含义：vi. 发奋努力(下功夫)

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更新时间：2026-01-30 20:08:11