像犀牛角，其主要成分是角质，与人的毛发和指甲一样富含纤维蛋白质。不过，有些地区的人还认为犀牛角可以壮阳。
Rhino horns, for example, are mostly made of keratin, the same fibrous protein found in human hair and fingernails, but people in some cultures still think of them as an aphrodisiac.
它翅膀上的鳞屑是由多层的角质层构成，角质层之间是不同的纳米级间隔空间，产生的光学干干涉让我们看到彩虹一样的色彩。
Scales on the wings have multiple layers of cuticle with varying nanometer-scale spacings between them that produce colors by optical interference.
马拉色菌能像酯酶一样分解脂质，而且可引起角质形成细胞形态学改变和细胞凋亡，这些都是它的主要致病因素。
Malassezia can breakdown lipid like esterase, and result in morphological changes of malpighian cell and cell apoptosis, these are all their main etiological factors.
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