运动员使用合成雄激素来提高肌肉质量是被禁止的。

Athletes using synthetic ___androgens to enhance muscle mass is prohibited.

男性体内的雄性激素水平通常在青春期显著上升。

The level of ___androgens in males usually rises significantly during puberty.

医生有时会开雄激素来治疗某些激素缺乏症。

Doctors sometimes prescribe ___androgens to treat certain hormone deficiencies.