beam of uniform strength

例句：

1. 1.The beam of the light shone throughthe window.
   光线通过窗户射进来。
2. 2. Thebeam of the sun is shining brightly.
   太阳的光束很明亮。
3. 3. Thebeam of the spotlight wasshining on the stage.
   聚光灯的光束照在舞台上。