to-ing and fro-ing

英 [to-ing and fro-ing]
美 [to-ing and fro-ing]

中文释义

往复，来来回回

单词分析

单词结构：

to-ing and fro-ing

字母数：18

记忆提示

🎯 重点记忆：

  • 单词拼写：to-ing and fro-ing
  • 核心含义：往复，来来回回

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更新时间：2026-02-21 08:42:13