orthodontist英[,ɔːθəʊ'dɒntɪst]美[,ɔrθə'dɑntɪst]n.正牙医生;牙齿矫正医师英语词源orthodontist(n.)1903;seeorthodontia+-ist.权威例句1.AnorthodontisttookacastoftheinsideofBilly'smouth.正畸医生......