circular reflector

例句：

1. 1. The circular reflectoris used to focus light on a specificarea.
   环形反射器用于将光线聚焦到特定区域。
2. 2. The circular reflector wasdesigned to improve the accuracy of the camera's image capture.
   环形反射器被设计用来提高相机图像捕捉的准确性。
3. 3. Thecircular reflector was installed in the centerof the room to enhance the lighting effect.
   环形反射器安装在房间中心，以增强照明效果。