any rigid body structure composed primarily of keratin
双语例句
1. Methods: 55 nails of 49 patients with unguis incarnatus were treated by CO2 laser.
方法：49例患者，55只嵌甲先激光破坏部分的趾甲和甲床至基底部再拨除嫩甲。
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2. This momentum extensive series of ground by the museum's grand lobby composition, Just as the overall layout of Macfadyena unguis - cati tear was formed after the same roof triangle.
3. This momentum extensive series of ground by the museum's grand lobby composition, Just as the overall layout of Macfadyena unguis - cati tear was formed after the same roof triangle.
