拳击手一记重击结束了比赛。

The boxer delivered a ___heavy blow that ended the fight.

冲刺后，她呼吸沉重，十分吃力。

After the sprint, she struggled with ___heavy breathing.

压力可能导致呼吸沉重和出汗等身体症状。

Stress can cause physical symptoms such as ___heavy breathing and sweating.