名词中文翻译
中文翻译：上颚
同义词：
['upper teeth', 'upper jawbone例句：1. She had a toothache and needed to see a dentist.（她牙痛，需要去看牙医。）']
例句：
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1. She had a toothache and needed to see a dentist.
她牙痛，需要去看牙医。
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2.The dentist advised her to have the upper jaw fixed.
牙医建议她将上颚固定。
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3.He was having trouble with his upper jaw, which made it hard for him to eat.
他的上颚有问题，这让他很难吃东西。