Optics

['ɒptɪks] or ['ɑptɪks]

解释:

(noun.) optical properties; 'the optics of a telescope'.

(noun.) the branch of physics that studies the physical properties of light.

布赖斯手打--From WordNet

解释:

(n.) That branch of physical science which treats of the nature and properties of light, the laws of its modification by opaque and transparent bodies, and the phenomena of vision.

黛西手打