mindmap root((迅速)) quick stresses instancy of response and is likely to connote native rather than acquired power: a ~ mind. （acquired从外部获得的、习得的，不是本身就具有的，如Acquired Immuno Defect Syndrome获得性免疫系统缺陷症） prompt is more likely to connote training and discipline that fits one for instant response: the ~ response of emergency medical technicians. ready suggests facility and fluency in response: backed by a pair of ~ assistants. apt stresses the possession of qualities, such as high intelligence, a particular talent, or a strong bent, that make quick effective response possible: an ~ student.