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	fyis fyke fyke net fykes fykie fyle fylfot fylfots Fyn fynbos fyrd fyrds fytte fyttes fz fársala Fátima fâme Fès fé Fénelon fêng huang fête fête cham fête champêtre

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