The necrotic epithelium becomes embedded in exuding fibrin and red and white cells,so that a grayish pseudomembrane is formed-commonly over the tonsils,pharynx or larynx.
坏

皮
胞被纤维蛋白、红
胞和白
胞凝聚在一起形成灰白色
假
,
覆盖在扁桃腺、咽或喉。
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Whereas those with lower silica content, like intermediate to mafic volcanic andesite and basalt, tend to make darker iron and magnesium-rich flour, which absorbs more light, making lakes that look greener, grayish, or duller blue, depending on concentration.
而二氧化硅含量较低的岩石,比如中性到镁铁质的火山岩——安山岩和玄武岩,则会形成颜
更深、富含铁和镁的岩粉,
类岩粉吸收更多光线,从而使湖泊看起来偏绿、偏
,或是较为暗淡的蓝
,具体取决于岩粉的浓度。
Here and there stood sharp peaks, lean spires that rose as high as 200 feet; farther off, a succession of steeply cut cliffs sporting a grayish tint, huge mirrors that reflected the sparse rays of a sun half drowned in mist.
到处都有峭削的尖峰,像直升到二百英尺高的细针,远一点,削戍尖峰的一连串悬崖,带着
的
泽,像一面一面的大镜,反映出一些半浸在云雾中的阳光。