gradation of age classes

[gradation of age classes]
[gradation of age classes]

中文释义

龄级顺序

单词分析

单词结构:

gradation of age classes

字母数:24

记忆提示

🎯 重点记忆:

  • 单词拼写:gradation of age classes
  • 核心含义:龄级顺序