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。

Sidereal: of the stars and their measurements.

星的，恒星的，以恒星为衡量标准的。

A sidereal day is about 4 minutes shorter than a solar day.

一个恒星日比一个太阳日大约短4分钟。

Tropical year, and sidereal year are two different concepts.

回归年与恒星年是不同的两个概念。

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。