单词	ditonic comma
释义	ditonic comma noun : the difference in pitch between two musical tones respectively twelve perfect fifths and seven octaves from the same tone and represented by the ratio of 531,441:524,288 called also Pythagorean comma Word History Etymology translation of New Latin comma ditonicum
随便看	retan retaped retapes retaping retard retard of the tide retardance retardancy retardant retardants retardate retardates retardation retardation of the tide retardations retardative retardatory retarded retarded depression retarder retarders retarding retardingly retardment retardments

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