单词	ambulacral brush
释义	ambulacral brush noun : a modified oral or anal ambulacral foot in heart urchins expanded into appendages resembling tentacles Word History First Known Use 1896, in the meaning defined above
随便看	shackoes shackos shacks shacks up shacktown ornithophilous ornithopod Ornithopoda ornithopodae ornithopodas ornithopodous ornithopods ornithopter Ornithoptera ornithopters ornithorhynchi ornithorhynchidaes ornithorhynchous ornithorhynchus ornithorhynchuses ornithorhynchusses ornithosaurs ornithoscopic ornithoscopist ornithoscopy

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