名词
中文翻译：肛门无孔洞
同义词：
['anal aperture', 'anal opening例句：1. The patient had an anus imperforatus and was unable to pass stools.（患者有肛门无孔洞，无法排便。）']
例句：
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1. The patient had an anus imperforatus and was unable to pass stools.
患者有肛门无孔洞，无法排便。
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2.During the surgery, the surgeon carefully removed the anus imperforatus.
手术中，外科医生小心地切除了肛门无孔洞。
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3. The patient's condition worsened after the anus imperforatus was repaired.
患者的病情在修复肛门无孔洞后恶化了。