sidereal day
英
美
- n.恒星日(较标准日约短四分钟)
详细释义
Noun:
-
the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day
双语例句
- A sidereal day is shorter than a mean solar day by 3 minutes and 56 seconds.
恒星日比平均太阳日短三分五十六秒。
用作名词 (n.)
相关词汇
- day 白天
【近义词】
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