backing up of sewage

[backing up of sewage]
[backing up of sewage]

中文释义

污水倒灌

单词分析

单词结构:

backing up of sewage

字母数:20

记忆提示

🎯 重点记忆:

  • 单词拼写:backing up of sewage
  • 核心含义:污水倒灌