Anal sex: Usually this term specifically refers to a penis penetrating an anus in anal intercourse.
Anal sex: Usually this term specifically refers to a penis penetrating an anus in anal intercourse.
肛交：通常是专指在肛门性交过程中阴茎插入肛门。
Anal sex: Usually this term specifically refers to a penis penetrating an anus in anal intercourse.
肛交：通常是专指在肛门性交过程中阴茎插入肛门。