单词	sidereal hour
释义	sidereal hour noun : the 24th part of a sidereal day Word History First Known Use circa 1695, in the meaning defined above
随便看	cathode rays cathode spot cathode-ray oscillograph cathode-ray tube cathodes cathodic cathodic protection cathodically cathodofluorescence cathodographs cathodoluminescence cathodoluminescent cathole catholic Catholic Apostolic catholic creditor Catholic Epistles Catholic existentialism Catholic frog catholically catholicate catholicates catholicise catholicised catholicises

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