spot beam

例句：

1. 1.The spot beam from the camera illuminated the room beautifully.
   相机的斑点光束照亮了房间。
2. 2. The photographer focused his spot beam on the subject to capture its details.
   摄影师将他的斑点光束对准主题，以捕捉其细节。
3. 3. The engineer used a spot beam to test the strength of the beam in the area.
   工程师使用斑点光束来测试该区域光束的强度。