单词	gun lap
释义	gun lap noun : the final lap of a race in track signaled by the firing of a gun as the leader begins the lap Word History First Known Use circa 1949, in the meaning defined above
随便看	cupping glass cuppings cuppy cupr- cuprammonium cuprammonium rayon cuprammonium solution cuprea bark cuprene cupreous Cupressaceae cupressaceaes cupressi cupressineous cupressinoxylon Cupressus cupressuses cupressusses cupri- cupric cupric acetate cupric ammonia complex cupric chloride cupric citrate cupric hydroxide

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