她保持了镇定,按下了警报器。
She had the ___presence ___of ___mind to press the alarm.
弗兰克试图用极大的冷静将包藏在背后。
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.