| 词汇 | defecation |
| 释义 | defecation noun[ U ] medical formal or specializeduk /def.əˈkeɪ.ʃən/ us /def.əˈkeɪ.ʃən/ the act of passing the contents of the bowels out of the body: 排便 Normal defecation frequency varies from three times a day to three times a week.正常的排便频率从一天三次到一周三次不等。 The digestive system brush border caecal cardia chyme coeliac digestive tract intestine intraluminal jejunal jejunum lacteal large intestine mechanical digestion rectum small intestine unassimilable ureteral vermiform appendix vermiform process villous |
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