masturbate

英 ['mæstəbeɪt] 美

In actual fact, many adults also masturbate, and this includes married couples.: 实际上, 许多成年人也会自娱, 而且包括已婚夫妻在内.

Both females and males may learn to masturbate all by themselves while still in their infancy.: 当仍在婴儿期,男女都可能自己学会自娱.