lens shutter drum

例句：

1. 1.The lens of the camera is very important for capturing clear images.
   相机的镜头对于捕捉清晰的图像非常重要。
2. 2. The shutter of the camera is responsible for controlling the exposure time.
   相机的快门负责控制曝光时间。
3. 3.The drum of the camera is where the film is loaded and unloaded.
   相机的鼓是装载和卸载胶卷的地方。