must have been

[must have been]
[must have been]

中文释义

na. 必然; must = should 或 would surely; 必须

单词分析

单词结构:

must have been

字母数:14

记忆提示

🎯 重点记忆:

  • 单词拼写:must have been
  • 核心含义:na. 必然; must = should 或 would surely; 必须