reflector
n
1 thing that reflects heat, light or sound 反射热、 光或声音的东西; 反射器; 反射物.
2 red disc fitted to the back of a vehicle; disc or strip fitted to cycle wheels, etc making them visible in the dark by reflecting the lights of other vehicles 机动车辆尾部的红色反光器; 自行车轮等上的圆形或条形反光镜. =>illus at App 1 见附录1插图, page xiii.
🗣️ 情景例句
The longer the words the better.
单词越长越好。
Care brings grey hair.
忧虑催人老。
Our own warm atmosphere and the heat generated by the telescope would make it impossible to detect objects as small as planets.