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词汇 dentine
释义
dentine
noun [ U ] anatomy specialized uk/ˈden.tiːn/ us/ˈden.tiːn/
象牙质(构成牙齿主体的坚硬含钙物质,表面覆盖白色牙釉质)
a hard substance containing calcium that forms the main part of a tooth and has enamel (= a shiny white substance) covering it
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