n skillful performance or ability without difficulty
n intelligence as revealed by an ability to give correct responses without delay
n a rate that is rapid
n. 急速, 迅速, 速度
1. The quickness of his response surprised everyone in the meeting.
他反应的迅速让会议上的每个人都感到惊讶。
2. She completed the task with great quickness and accuracy.
她以极快的速度和准确性完成了任务。
3. Quickness is important in sports, especially in running and swimming.
在运动中，迅速性很重要，尤其是在跑步和游泳中。