基本解释月掩星英汉例句双语例句There are an abundance of the lunar occultation records in ancient China.我国古代有相当丰富的月掩星观测记录。lunar occultation更多例句词组短语短语lunar occultation of radio source 月掩射电源lunar occultation更多词组专业释义天文学月掩星