in approach of a signal

[in approach of a signal]
[in approach of a signal]

中文释义

号志(机)外方

单词分析

单词结构:

in approach of a signal

字母数:23

记忆提示

🎯 重点记忆:

  • 单词拼写:in approach of a signal
  • 核心含义:号志(机)外方