牙体硬组织的物理和化学特性的英文

physical and chemical properties of dental tissues

• 牙:    tooth
• 体:    body; part of the ...
• 硬:    hard; stiff; tough
• 组织:    organization; orga ...
• 的:    4次方是 The fourth po ...
• 物理:    innate laws of thi ...
• 和:    mix; blend
• 化学:    energy
• 特性:    characteristic; ch ...