You strap it onto your forehead, so you can see the reflection in the eyes of the animal. So, if you go out at night, you shine a flashlight, the animals are bright.
把灯绑在自己的前额上 你就能从动物的眼睛里看到反射 因此 假如你晚上出去 打亮一个闪光 就能看到动物