Definition: the condition of being physically strong and healthy Level: B1
他专注于通过每日锻炼来改善（身体）健康。
He focuses on improving his ___fitness through daily exercise.
她非常喜欢她的晨间健身习惯。
She really enjoys her morning ___fitness routine.
良好的体能需要锻炼和均衡饮食。
Good ___fitness requires both exercise and a balanced diet.
