相关单词同义词forerunner, vaunt, courier, 近义词 ancestor 祖宗, antecedent 前情, forerunner 先驱, predecessor 祖先, herald 使者, pioneer 先锋, original 原始的, originator 创始人, parent 父母, sign 手势, foundation 根基, leader 领袖, foretaste 预示, harbinger 先驱临近词predate, precocious, precursors, precursory, precursor PCR, precursor ion, precursor rna, precursor film, precursor mRNA, precursor data, Precursory Sol, precursor wave相似词preconceived, preconception, precondition, precook, predate 1, predation, predator, predatory, 返回 precursor