顶架

例句：

1. 1. The roof of the house is supported by a wooden beam.
   这座房子的屋顶是由一根木梁支撑的。
2. 2. The artist used a steel bracket to hold the painting in place.
   艺术家用一个钢制支架来固定这幅画。
3. 3. The scientist mounted his equipment on a pedestal to conduct experiments.
   科学家把设备安装在一个平台上进行实验。