solar year是什么意思 solar year怎么读
solar year的英文翻译是什么意思，词典释义与在线翻译
Noun:- the time for the earth to make one revolution around the sun, measured between two vernal equinoxes
solar year的用法和样例
用作名词 (n.)
- The tropical year is a phenomenon of the precession of the equinoxes in astronomy.
太阳年是天文学里的岁差现象。 - A tropical year is a measurement of time from one winter solstice to the next.
回归年是指从一年冬至到下一年冬至的时间段。
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