内部结构

• internal structure
• internal composition
• inner structure
• interior structure
• innards
• interior
• internal construction

参考释义

内部结构

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例句

1. 牙齿内部组织构成牙齿内部结构的含神经和血管的柔软组织
   The soft tissue forming the inner structure of a tooth and containing nerves and blood vessels.