单词	crotalum
释义	crotalum noun cro·​ta·​lum ˈkrō-tə-ləm plural crotala ˈkrō-tə-lə : crotala Word History Etymology Latin First Known Use 1700, in the meaning defined above
随便看	umbering umberrer umberrest umbers Umberto umbilic umbilical umbilical cord umbilical fissure umbilically umbilicals Umbilicaria umbilicate umbilicated umbilication umbilications umbilici umbilicus umbilicuses umbilroot umble pie umbles umbo umbolateral umbonal

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