n.乳白光；蛋白光；蛋白石混浊
Soon there were also flagstones beneath his shambling feet, uneven, fractured stone that nonetheless caught the light of the lantern-sphere with strange opalescence. 很快，在他的步履蹒跚的脚下，就出现了石板路，这些石头坑坑洼洼，处处断裂，在他手里水晶球的照射下，现出奇怪的乳白色光亮。
Keywords Opal enamel porcelain;Opalescence;Fluorescence;Translucency;Masking effect;Optical properties; 乳光瓷;乳光;荧光;透明度;遮色效果;光学特性;
critical opalescence 临界乳光
opalescence"," 乳光"
