1 sentence

1. 医生解释说，适度的手淫是正常的生理现象。

   yī​shēng jiě​shì shuō, shì​dù de shǒu​yín shì zhèng​cháng de shēng​lǐ xiàn​xiàng.

   The doctor explained that moderate masturbation is a normal physiological phenomenon.

   Source: Dong Chinese Dictionary