anal fissure
noun [ C ] medical specialized uk/ˌeɪ.nəl ˈfɪʃ.ər/ us/ˌeɪ.nəl ˈfɪʃ.ɚ/
肛裂
a tear just inside the anus (= the opening at the end of the digestive tract)
anal fissure surgery/treatment 肛裂手术/治疗
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