同义词:beam, beam of light, light beam, ray, shaft, shaft of light, irradiation
ray of light例句
Sight is made possible by rays of light impinging on the retina.
由於光线射到视网膜上,眼睛才看得见。
A process or state in which rays of light exhibit different properties in different directions, especially the state in which all the vibration takes place in one plane.