| 单词 | photon |
| 释义 | photon['fəutɒn]n. 光子, 光量子, 光度【化】 光量子; 光子【医】 光子 photon pho.ton AHD: [f½“t¼n”] D.J. [6f*&7tKn]K.K. [6fo7t$n]n.（名词）1. The quantum of electromagnetic energy, generally regarded as a discrete particle having zero mass, no electric charge, and an indefinitely long lifetime.See table at subatomic particle 光子，光量子：电磁能的量子，一般认为是有零质量、无电荷和不定长寿命的离散性粒子参见 subatomic particle2. A unit of retinal illumination, equal to the amount of light that reaches the retina through 1 square millimeter of pupil area from a surface having a brightness of 1 candela per square meter.光度：视网膜亮度单位，相当于每平方米有一烛光亮度的表面，通过一平方毫米的瞳孔区域，到达视网膜的光线数量继承用法:photon“ic adj.（形容词） |
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