| 单词 | solar year |
| 释义 | solar year solar year n.（名词）The period of time required for the earth to make one complete revolution around the sun, measured from one vernal equinox to the next and equal to 365 days, 5 hours, 48 minutes, 45.51 seconds.Also called astronomical year ,tropical year 太阳年：地球完全绕太阳一周所需要的一段时间，在两个春分点之间测量，相当于365天5小时48分钟4551秒也作 astronomical year,tropical year |
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