was at pains

[was at pains]
[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