underframe

A noun referring to the internal supporting structure that gives an artifact its shape.

• 🇨🇳名词，指物品内部的支撑结构，用于赋予其形状并承受载荷。常见于车辆、家具、箱体等物体中。

1. Internal supporting structure C1 formal

   The underlying framework or chassis that provides shape and support to an object, such as a vehicle, piece of furniture, or building.

   • The car's underframe was reinforced to improve safety.
   • The sofa's underframe is made of solid wood.
   • Engineers inspected the underframe of the bridge for cracks.

   🇨🇳底架

   同义词: basechassisfoundationframeframeworkskeletonsubstructuresupporttrussundercarriageunderstructure

• underframes plural form
• underframes' possessive plural form
• underframe's possessive singular form