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单词 齿质
释义 〔dentin〕The main, calcareous part of a tooth, beneath the enamel and surrounding the pulp chamber and root canals.牙质,齿质:牙齿主要的钙质部分,在珐琅质下面,牙髓周围,植根于牙床的管道内〔ganoid〕Of, relating to, or characteristic of certain bony fishes, such as the sturgeon and the gar, that have armorlike scales consisting of bony plates covered with layers of dentine and enamel.硬鳞的,光鳞的:属于、关于或具有某种多骨鱼特征的,例如鲟鱼和雀鳝,具有由覆盖有齿质层和珐琅层的骨盘组成的类似盔甲的鳞
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更新时间:2024/11/26 22:48:56