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单词 orthodontics
释义  Related topics: Hospitalor·tho·don·tics /ˌɔːθəˈdɒntɪks $ ˌɔːrθəˈdɑːn-/ noun [uncountable]  MHthe skill or job of helping teeth to grow straight when they have not been growing correctly 口腔正畸(术)n GRAMMAR: Singular or plural verb?Orthodontics is followed by a singular verb: Orthodontics is a good profession. —orthodontic adjective orthodontic treatment 口腔正畸治疗Origin orthodontics (1900-2000) ortho- “straight” (from Greek; → ORTHODOX) + Greek odous “tooth”or·tho·don·tics noun →n GRAMMAR1LDOCE OnlineChineseSyllable  
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更新时间：2026/8/3 0:15:25