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
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。