劍橋詞典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(yuǎn)光燈，大燈 If your lights are on full beam , you may dazzle oncoming drivers . 如果你開遠(yuǎn)光燈，你會讓對面來車的司目眩。 返回 full beam