drop a bucket into an empty well

[drop a bucket into an empty well]
[drop a bucket into an empty well]

中文释义

空井打水,徒劳无益

单词分析

单词结构:

drop a bucket into an empty well

字母数:32

记忆提示

🎯 重点记忆:

  • 单词拼写:drop a bucket into an empty well
  • 核心含义:空井打水,徒劳无益