Definition: the ability to deal with a difficult situation quickly and effectively Level: C2
她镇定地按响了警报。
She had the ___presence ___of ___mind to press the alarm.
弗兰克非常镇定地试图把包藏在背后。
Frank tried to hide a bag behind his back with great ___presence ___of ___mind.
在紧急情况下，他的镇定挽救了许多生命。
In the emergency, his ___presence ___of ___mind saved many lives.
