Mid 19th century. From classical Latin reboant-, reboāns, present participle of reboāre to re-echo, resound, to call or cry in answer + -ic.
英语词典包含243303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。