名词
中文翻译：下牙弓
同义词：
['lower jawarch', 'lower dental arch']
例句：
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1. The lower dental arch is thearea of the jaw where teeth are located.
下牙弓是牙齿所在的位置区域。
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2. Thelower dental arch is important for chewingand biting food.
下牙弓对于咀嚼和咬食食物非常重要。
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3. During orthodontic treatment, the lower dental arch isadjusted to correct bite issues.
在正畸治疗期间，下牙弓会被调整以纠正咬合问题。