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Conchoid的音标发音

Conchoid

英式发音:[kɔŋkɔid] 美式发音

    (n.) A curve, of the fourth degree, first made use of by the Greek geometer, Nicomedes, who invented it for the purpose of trisecting an angle and duplicating the cube.

    录入:斯蒂芬妮


Conchoid