Optics is a branch of physical science dealing with the propagation and behavior of light. In a general sense, light is that part of the electromagnetic spectrum that extends from X rays to microwaves and includes the radiant energy that produces the sensation of vision.
- optics [ˈɔptiks] n.光学
- physical science [ˈfizikəl - ˈsaiəns] n. 物理科学
- propagation [ˌprɔpəˈɡeiʃən] n. 传播
- electromagnetic [iˌlektrəumæɡˈnetik] adj.电磁的
- spectrum [ˈspektrəm] n.光谱
- extend [iksˈtend] v. 延伸
- X ray [eks - rei] n.X光
- microwave [ˈmaikrəweiv] n.微波
- radiant energy [ˈreidiənt - ˈenədʒi] n. 放射性能量
- sensation [senˈseiʃən] n.感觉
