1. 肛：antibody抗体 | anus肛 | appendix阑尾

2. 正文内容：Anus And Breasts|英语学习 | 正文内容:Anus | asshole (屁股眼)

1. 肛门
    A person''s anus is the hole from which faeces leaves their body.

1. the excretory opening at the end of the alimentary canal