名词
中文翻译：根管
同义词：
['root canal', 'root treatment']
例句：
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1.The dentist performed a root canal on my tooth.
牙医给我的牙齿做了根管治疗。
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2.After the root canal treatment, I was able to eat normally again.
根管治疗后，我又能正常吃饭了。
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3.The root canal treatment is necessary for preventing further infection.
根管治疗是预防进一步感染的必要措施。