uphill and downhill

[uphill and downhill]
[uphill and downhill]

中文释义

上上下下

单词分析

单词结构:

uphill and downhill

字母数:19

记忆提示

🎯 重点记忆:

  • 单词拼写:uphill and downhill
  • 核心含义:上上下下