相关单词近義詞 sigmoidal 反曲的臨近詞sign, sigma, sigmoidal, Sigmoidae, sigmoid-, sigmoiditis, sigmoidoscop, sigmoidopexy, sigmoid vein, sigmoidotomy, sigmoid gyri, sigmoid notch相似詞sightless, sightsee, sightseeing, sigma, sign, sign (sb) in, sign (sb) out, sign (sth) off, 返回 sigmoid