小测验:选择正确的单词
sidereal [sai'diriəl]
基本释义
常用短语
- sidereal day
n.恒星日(较标准日约短四分钟)
- sidereal hour
恒星小时
- sidereal month
恒星月
- sidereal time
恒星时
- sidereal year
n.恒星年(等于365天6小时又10分钟)
英英解释
- of or relating to the stars or constellations
[例]
- sidereal bodies
- the sidereal system
- (of divisions of time) determined by daily motion of the stars
[反]
civil
[例]
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