spur n.马刺,刺激物,鼓舞vt.刺...occipital spur 枕骨刺...calcaneal spur 跟骨刺...whip and spur 飞速地,快马加鞭地...spur a willing horse 给予不必要的刺激...spur of septum 鼻中隔刺...need the spur 需要鞭策...double heical spur wheel 人字齿轮...spur gear 正齿轮...spur-of-the-moment a.一时冲动的,立刻的,不加思...spur track 支路...double helical spur gear 人字齿轮...olecranon spur 鹰嘴刺...on the spur of the moment 一时冲动地,立刻...Morand's spur 莫朗氏距,禽距...enamel spur 釉刺...
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