reflector

n.反光面; (夜间光线照射后能反光的)反光玻璃(或塑料)，反光体 复数：reflectors 牛津词典 noun 反光面a surface that reflects light （夜间光线照射后能反光的）反光玻璃（或塑料），反光体a small piece of special glass or plastic that is put on a bicycle, or on clothing...