柯林斯词典presence of mind 1. N the ability to remain calm and act constructively during times of crisis 镇定 返回 presence of mind剑桥词典the ability to make good decisions and to act quickly and calmly in a difficult situation or an emergency 镇定自若，处变不惊 When the gunmen came into the bank , she had the presence of mind to press the alarm . 持枪歹徒闯进银行时，她沉着冷静地按下了警报器。 返回 presence of mind