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.
坏死的上皮
胞被纤

、红
胞和
胞凝聚在一

灰
色的假膜,通常覆盖在扁桃腺、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
岩石,比如中性到镁铁质
火山岩——安山岩和玄武岩,则会形成颜
更深、富含铁和镁
岩粉,这类岩粉吸收更多光线,从而使湖泊看起来偏绿、偏灰,或是较为暗淡
蓝
,具体取决于岩粉
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
尖峰,像直升到二百英尺高
细针,远一点,削戍尖峰
一连串悬崖,带着灰白
泽,像一面一面
大镜,反映出一些半浸在云雾中
阳光。