optics

名词 optics:

1. the branch of physics that studies the physical properties of light

名词 optic:

1. the organ of sight
   同义词：eye, oculus, optic

1. The optic theory originated with Einstein.
   光学理论是爱因斯坦首创的。
2. He is well versed in the science of optics.
   他精通光学。

op.tics

n.(used with a sing. verb)Abbr. opt.（名词）（与单数动词连用）缩写 opt.
The branch of physics that deals with light and vision, chiefly the generation, propagation, and detection of electromagnetic radiation having wavelengths greater than x-rays and shorter than microwaves.
光学：物理学中，研究光和视觉的一门学科，主要是研究波长在X-射线和微波之间的电磁辐射的产生、传播和识别