补指数 ; 恒牙龋 ; 龋失补指数 ; 恒牙龋失补指数
Created from the DMF is the Social Security Death Index (SSDI) which is available, as I discovered, free online from several genealogy websites.
FORBES: Death & Taxes & Identity Theft
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。