obstacle clearing in river channel

[obstacle clearing in river channel]
[obstacle clearing in river channel]

中文释义

河道清障

单词分析

单词结构:

obstacle clearing in river channel

字母数:34

记忆提示

🎯 重点记忆:

  • 单词拼写:obstacle clearing in river channel
  • 核心含义:河道清障