单词	book gill
释义	book gill noun : a gill found in the horseshoe crabs that consists of membranous folds arranged like the leaves of a book Word History First Known Use 1897, in the meaning defined above
随便看	lunarrer lunarrest lunars lunarscapes lunary lunas lunata lunate lunated lunateds lunately lunater lunates lunatest lunatic lunatic fringe lunatically lunatics lunation lunations lunatum lunch lunch box lunch break lunch cart

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