We call that a tropical year, and that's what we base our calendar on, at least here in the west.

我们称之为热带年，这就是我们日历的基础，至少在西方是这样。

If you want to move here, they'll actually give you a free plot of land to build your house on, and temperatures remain tropical year around.

如果你想搬到这里，他们会给你一块免费的土地以建造房屋，而且全年气温都保持在热带温。

And since a tropical year is a tad longer than 365 days, Julius added a leap day every four years, except they inserted it after February 23, right in the middle of the month.

但，因为，回归年并不是正好365天，而是365.242天。Julius每隔4年，加一天，除了要加在2月23日的后面，还要在2月的中间日。