of, relating to, or reflecting the traits exhibited by a group of people with a common ancestry and culturea clinical study involving volunteers from different ethnical and economic backgrounds
a clinical study involving volunteers from different ethnical and economic backgrounds
ethnic, racial, tribal
familialfolkkin, kindredcultural, multiculti, multicultural, national
nonracial
in the 15th century
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。