他通过迅速施以急救，展现了非凡的镇定。

He showed remarkable ___presence ___of ___mind by quickly applying first aid.

她非常镇定地转移了袭击者的注意力。

With great ___presence ___of ___mind, she diverted the attacker's attention.

飞行员的镇定自若在颠簸的飞行中至关重要。

A pilot's ___presence ___of ___mind is crucial during turbulent flights.