单词	heel fly
释义	heel fly noun : cattle grub Word History First Known Use 1870, in the meaning defined above Medical Definition heel fly noun : cattle grub especially : one in the adult stage
随便看	seleniferous seleniferous plant seleninic acid selenious selenipedia Selenipedium selenipediums selenite selenites selenitic selenitical selenium selenium cell selenium dioxide selenium oxychloride selenium rectifier selenium red seleniums selenized seleno- selenobismuthite selenocentric selenocyanate selenocyanic acid Selenodonta

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