n.马刺;鞭策;激励;(公路或铁路的)支线;
v.鼓动; 激励;使更快发生;策马前进;
例句:
His speech was a powerful spur to action.
他的讲话很有鼓动力。
I phoned him up on the spur of the moment.
我一时心动,给他打了电话。
His friend's plight had spurred him into taking part.
朋友的困境促使他投身参与。