beam of light

例句：

1. 1. The sun is shining through the window, casting a beam of light on the desk.
   阳光透过窗户照在桌子上，形成了一束光。
2. 2. She held up her hand to block the bright beam of sunlight.
   她举起手来挡住刺眼的阳光。
3. 3. The teacher beamed with pride as she saw her students achieve their goals.
   老师看到学生们实现目标时，脸上洋溢着自豪。