医生表示适度自慰是正常的生理行为。

Doctors say it's normal to ___masturbate in moderation as a healthy physiological activity.

青少年时期，很多人会偶尔自慰，这是他们性发育的一部分。

During adolescence, many people occasionally ___masturbate as part of their sexual development.

别在那儿瞎摆弄遥控器了，我们赶紧看电视吧。

Stop ___playing with the remote control and let's watch TV.