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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 [5aptiks] n. 光学
- physical science [5fizikEl][5saiEns] n. 物理科学
- propagation [7prCpE5^eiFEn] n. 传播
- electromagnetic [IlektrEu5mA^netik] adj. 电磁的
- spectrum [5spektrEm] n. 光谱
- extend [iks5tend] v. 延伸
- X ray [eks][rei] n. X光
- microwave [5maikrEuweiv] n. 微波
- radiant energy [5reidiEnt][5enEdVi] n. 放射性能量
- sensation [sen5seiFEn] n. 感觉



{ 2 comments… read them below or add one }
这个文本和注释不对应啊。。。
这一页和下一页都出了问题,我回头改过来……谢谢提醒。