sidereal day英 [saɪˈdɪəri:əl dei] 美 [saɪˈdɪriəl de]
sidereal day 网络解释
1. 恒星日[天]：side weir 侧堰 | sidereal day 恒星日[天] | sidereal hour 恒星小时[天]
sidereal day 英英释义
noun
1. the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day
Synonym: day
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