orthodontist的复数形式怎么拼写

orthodontist的音标：orthodontist的英式发音音标为：[ˌɔ:θə'dɒntɪst]orthodontist的美式发音音标为：[ˌɔrθə'dɑntɪst]...

An orthodontist took a cast of the inside of Billy's mouth.正畸医生从比利的口腔内部取了模型。Wear ligating modules, headgear and other accessories as instructed by your orthodontist.4严格按正畸医生的要求戴用橡皮圈和牵引头帽等辅助装置.Then I get manic depres...

n.正齿医生，矫形牙医...