相关单词近义词 password 口令, watchword 口令, signal 信号, witness 目击者, endorse 赞同, sign 手势, attest 证明, authenticate 证明...为真, corroborate 确证, certify 证明, notarize 公证, secret 秘密, parole （为获假释而作出的）誓言..., countersignature 副署, word 单词临近词counterion, counter, counter-Utopia, counter overflow, countermarketing, counter pressure, counter emf cell, counter-weight, counterelectrode, counter argument, countermemorials, countersunk head相似词counterpoise, counterpose, counterproductive, counterprogram, countertenor, counterterrorism, countertop, countervailing, 返回 countersign