英式：[ˈeɪnəsɪz]美式：[ˈeɪnəsɪz]
n.肛门
用作名词 (n.)
The coccyx also supports the position of the anus. 尾椎骨还对于肛门的部位起到了支撑。
He washes his intestines by means of a bamboo tube through his anus. 他依靠一根竹管子穿过肛门来清洗内脏。
