hourglass-shaped spring

[hourglass-shaped spring]
[hourglass-shaped spring]

中文释义

中凹形螺旋弹簧

单词分析

单词结构:

hourglass-shaped spring

字母数:23

记忆提示

🎯 重点记忆:

  • 单词拼写:hourglass-shaped spring
  • 核心含义:中凹形螺旋弹簧