三脚铁架

例句：

1. 1. This camera is equipped with a three-legged stand for easy handling.
   这台相机配备了一个三脚架，便于操作。
2. 2. The scientist used a three-legged stand to support the heavy equipment.
   科学家使用一个三脚架来支撑重型设备。
3. 3. During the experiment, the scientist placed his three-legged stand on thetable.
   实验期间，科学家将他的三脚架放在桌子上。