underframe
underframe — 名詞
1. The rigid bottom structure of a vehicle, piece of furniture, or machine that sup
底盤；底架
物體底部的支撐結構
The rigid bottom structure of a vehicle, piece of furniture, or machine that supports and gives shape to the parts sitting above it.
The train's underframe was built from reinforced steel to carry heavy cargo across long distances.
火車的底盤由強化鋼製成，以承受重型貨物並行駛長距離。
collocation: reinforced steel underframe
Yuki crawled under the sofa to check the wooden underframe after the cushions sagged.
Yuki 爬到沙發底下，檢查坐墊下陷後的木製底架。
The mechanic spotted rust along the car's underframe and warned the owner about structural weakness.
技工發現汽車底盤上有鏽蝕，並警告車主這會影響結構強度。
Amara checked the truck's underframe for cracks before agreeing to buy it.
Amara 在同意購買前檢查了卡車的底盤是否有裂縫。
Chen Wei designed a lightweight aluminum underframe for the new electric bus.
Chen Wei 為新型電動巴士設計了輕量化的鋁製底架。
- chassis
Specifically refers to the underframe of a vehicle, especially a car or truck; more common in automotive contexts
- substructure
A broader term for any supporting base, not limited to manufactured objects; also used in construction and civil engineering
- framework
Can refer to any supporting structure, including non-physical systems; less technical than 'underframe'
- superstructure
The part built on top of the underframe, such as the body of a vehicle or the upper part of a building
用法筆記
Frequently used in engineering reports, vehicle inspections, and furniture assembly instructions. The underframe is what gives an object its basic shape and load-bearing capacity.