(in international law) retaliation by a state on another's subjects.
Late 16th century (in the sense 'bending or turning backwards'): from retort1, perhaps on the pattern of contortion.
英语词典包含464360条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。