Phrase
sidereal days
/saɪˈdɪəriːəl dei/
noun
恒星日；地球相对春分点自转一周的时间(约23小时56分4秒)。
sidereal days is the plural of sidereal day.
- 1.
One day of sidereal time; the time in which Earth rotates once around its axis, relative to the point of the vernal equinox (about 23 hours, 56 minutes, 4 seconds).
恒星日；地球相对春分点自转一周的时间(约23小时56分4秒)。
- 2.
The rotational period of Earth; the time in which Earth rotates around its axis 360 degrees.
地球的自转周期；地球绕轴旋转360度所需的时间。
地球的自转周期；地球绕轴旋转360度所需的时间。；恒星日(较标准日约短四分钟)
Connections
Word family
- sidereal days
- plural
Learner notes
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页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.