短语词组短语to spur sb on 策励spur you on 鼓励你to spur on 驱使spur on to 驱使spur on the flying horse 快马加鞭spur on a willing horse 无故加鞭spur on urge forward challenge 马鞭子straight spur gear -on-gear pump 蓄水泵 返回 spur on