English translation for "astronomical day"

天文日，平均太阳日。


Related Translations:

astronomical:  adj.1.天文学(上)的。2.〔口语〕(数字等)庞大的。短语和例子astronomical figures 〔美口〕庞大的数字，天文数字。adv.-ly

astronomical unit:  天文单位〔地球至太阳间的平均距离〕。

astronomical observatory:  天文台。

astronomical year:  回归年。

astronomical time:  天文时。

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