单词	center of curvature
释义	center of curvature noun phrase : the center of the circle whose center lies on the concave side of a curve on the normal to a given point of the curve and whose radius is equal to the radius of curvature at that point Word History First Known Use 1850, in the meaning defined above
随便看	sopped sopped up sopper soppier soppiest soppiness soppinesses sopping sopping up sopping wet soppings soppy soprani sopranini sopranino sopraninos sopranist sopranists soprano soprano clef soprano recorder sopranos Sopron sops sops in wine

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