装于汽车头部两侧，用于夜间行车道路的照明。有两灯制和四灯制之分。
此时天已经完全黑了，我打开了车的前大灯。
By this time it was completely dark and I had switched on my headlights.
如今，一些具有开拓意识的汽车公司已经开始使用LED作为汽车前大灯了。
Now, a few pioneering car firms have started using LEDs in headlamps.
这辆七年前买的家庭kidmobile，装有当时最先进的石英碘(卤素)前大灯。
When bought seven years ago, the family kidmobile came with what were then state-of-the-art quartz-iodine (halogen) headlamps.
应用推荐