许多健康专业人士认为拳击是一项有风险的运动，因为可能导致头部受伤。

Many health professionals consider ___boxing to be a risky sport due to the potential for head injuries.

他刻苦训练以成为职业拳击冠军。

He trained hard to become a professional ___boxing champion.

在我们的体育俱乐部，我们提供拳击和其他武术课程。

In our sports club, we offer classes in ___boxing and other martial arts.