例蒙汉族老年人口腔病况分析的英文

• analysis of the state of oral health among mongol and han elder people

• 例:    example; instance
• 蒙:    the Mongol nationality
• 汉族:    the Han nationality,China's ...
• 老年人:    the aged
• 口腔:    oral cavity; buccal cavity; ...