| 单词 | dental arch |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔arch〕The premature loss of primary teeth causes shrinking of the dental arch.乳牙提前掉落会引起牙弓萎缩。 剑桥高阶〔incisor〕A tooth adapted for cutting or gnawing, located at the front of the mouth along the apex of the dental arch.门牙：用于切或撕咬的牙齿，位于口前部沿着齿弓顶端美国传统〔mesial〕Dentistry Situated toward the middle of the front of the jaw along the curve of the dental arch.【牙科学】 朝向齿弓中线的：位置沿齿弓弧线向下巴前部正中的美国传统 |
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