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1·With its decidedly undecimal sidereal year of 365-and-a-quarter days, that is just not going to happen.

这种事不会发生，因为“恒星年（由365又1/4天所组成）是十一进制的”这一事实是确凿无疑的。

2·Tropical year, and sidereal year are two different concepts.

回归年与恒星年是不同的两个概念。

3·Tropical year , and sidereal year are two different concepts .

在即回归年与恒星年是不同的两个概念。

4·Unfortunately, here on planet Earth, with its decidedly undecimal sidereal year of 365-and-a-quarter days, that is just not going to happen.

但是不巧的是，在地球这个行星星球上，这种事不会发生，因为“恒星年（由365又1/4天所组成）是非十进制的”这一事实是确凿无差的。

5·Approximately, a year has 365 solar days but 366 sidereal days. Do you know why.

一年中大约有365个太阳日，但却有366个恒星日，你知道原因吗？