reflector plate

例句：

1. 1. The car's headlights are made of a reflector plate.
   汽车的前灯是由一块反射板制成的。
2. 2. The scientist used a reflector plate to improve the accuracy of his measurements.
   科学家使用一块反射板来提高他测量的准确性。
3. 3. The engineer designed a reflector plate that could reflect sunlight onto the ground for better illumination.
   工程师设计了一块反射板，可以将阳光反射到地面上以获得更好的照明效果。