相关单词同義詞symbol, breath, evidence, mark, motion, subscribe, ink, endorse, 近義詞n. mark, symbol, token, gesture, gesticulation v. approve, authorize臨近詞signal, sigmoid, signe, signa, Signy, Signef, signor, signup, signum, signer, Signus, signee相似詞sightsee, sightseeing, sigma, sigmoid, sign (sb) in, sign (sb) out, sign (sth) off, sign for sth, 返回 sign