driving beam

例句：

1. 1. The driver's beam of confidence shone through the window.
   司机的自信光芒透过窗户。
2. 2. The car's headlights were shining brightly in the dark night.
   汽车的前灯在黑暗的夜晚中闪闪发光。
3. 3.The police officer used his beam to guide the way for the injured pedestrian.
   警察用他的光束为受伤的行人指引道路。