The black particles in the mucosa epithelium tissues of normal control group and non-damaged mucosa epithelium and desquamation area were seldom seen.

没有损伤的黏膜上皮细胞及对照组正常筛窦黏膜上皮层内极少见到此空气颗粒物。

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It was not until she sat back down among her lawyers that the world's most famous black model reached for her tissues.

BBC: Supermodel's life in the spotlight