基本解釋恒星鍾詞組短語短語sidereal l clock 恒星時鍾Synchronizing Sidereal Clock 恒星鍾同步sidereal clock WESTBANK 恒星時鍾a sidereal clock 恒星時鍾sidereal clock更多詞組專業(yè)釋義天文學恒星時鍾恒星時計恒時鍾恒星鍾