“这个国家的牙科技师仍然是全世界最多的，”阿伦J何特说，他是专攻牙齿矫正专业器具的付总裁。
" The dental techs in this country are still some of the greatest in the world ," said Arlen J.Hurt , vice president of Specialty Appliances in Cumming , Ga. , which .
何特