painstaking effort

英 [painstaking effort]
美 [painstaking effort]

中文释义

苦功；心血

单词分析

单词结构：

painstaking effort

字母数：18

记忆提示

🎯 重点记忆：

  • 单词拼写：painstaking effort
  • 核心含义： 苦功；心血
  • 相关含义：心血

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更新时间：2026-04-09 12:14:49