名词中文翻译
中文翻译：直肠括约肌
同义词：
['rectal sphincter', 'rectal sphincter muscle例句：1. The doctor advised him to exercise regularly to maintain his health.（医生建议他定期锻炼以保持健康。）']
例句：
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1. The doctor advised him to exercise regularly to maintain his health.
医生建议他定期锻炼以保持健康。
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2. The patient was admitted to the hospital for further examination.
病人被收治入院进行进一步检查。
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3. During childbirth, the rectal ampullas are stretched and strengthened.
分娩期间，直肠括约肌会被拉伸并加强。