名詞 ray of light:

1. a column of light (as from a beacon)
   同義詞：beam, beam of light, light beam, ray, shaft, shaft of light, irradiation

1. Sight is made possible by rays of light impinging on the retina.
   由於光線射到視網(wǎng)膜上，眼睛才看得見。
2. 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.
   偏振(現(xiàn)象)光線在不同的方向上表現(xiàn)出不同特性的過程或狀態(tài)，尤其是所有的振動都發(fā)生在一個平面的狀態(tài)