托架

例句：

1. 1. The car's engine is in the back of the car, and there's a metal support in the front.
   汽车的发动机在车后部，前面有一个金属支撑。
2. 2. The table has a wooden support at the bottom.
   桌子底部有一个木制支撑。
3. 3. The roof of the house has a steel support to hold it up.
   房子的屋顶有一根钢支撑来支撑它。