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.