periostracum
角质层
常用释义
英音[ ˌperɪˈɒstrəkəm ]
美音[ ˌperiˈɑːstrəkəm ]
变形
复数:
periostraca
基本释义
- n. 角质层
例句
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1·Hair furcation because the surface layer (or periostracum) of hair stem has been already damaged.头发分叉是因为毛干的表层(或角质层)已经损坏。
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2·When the hair periostracum starts breakage, internal at the time that fiber exposed, the hair would become dry.当头发角质层开始破坏，内部纤维暴露的时候，头发就会变得干燥。
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3·Treating the sample of periostracum cicada with suspension technique, calcium, manganese and zinc were successfully determined by FAAS.以悬浮液技术处理样品，用火焰原子吸收光谱法成功地测定了蝉蜕中的钙、锰、锌。
同义词
n.
[无脊椎]角质层