full beam

剑桥词典

If a car's headlights are on full beam , they are as bright as they can be, and directed straight ahead .
（汽車的）遠光燈，大燈
If your lights are on full beam , you may dazzle oncoming drivers . 如果你開遠光燈，你會讓對麪來車的司目眩。 返回 full beam