我女儿加入了学校的游泳队，现在她每天都参加水上运动训练。

My daughter joined the school's swim team, and now she practices ___aquatics every day.

他在大学里学习水生生物学，专注于研究淡水鱼类的繁殖。

He studies ___aquatics at university, focusing on freshwater fish breeding.