名词中文翻译
中文翻译：预排空
同义词：
['pro-defecation', 'pre-defecation']
例句：
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1.The doctor advised the patient to undergo a predefecation test before surgery.
医生建议患者在手术前进行预排空测试。
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2.The study found that predefecation diets can reduce the risk of constipation.
研究发现，预排空饮食可以降低便秘的风险。
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3. The patient was instructed to follow a predefecation routine to improve bowel movements.
患者被指示遵循一个预排空的常规来改善排便。