What that is, three and a half full rotations in the air.

那是什么，在空中旋转三圈半。

It takes 243 Earth days for Venus to complete one full rotation.

金星自转一圈需要243个地球日。

One solar year is how many days it takes a planet to travel one full rotation around its sun.

一个太阳年是行星绕太阳旋转一整圈所需的天数。

But either way, I do a full rotation here.

但无论如何，我都会在这里进行完整的旋转。

A complete turn, also known as a full rotation, all the way back to the place it started, is 360 degrees.

一个完整的旋转，也称为完全旋转，转一圈回到它开始的地方，就是360°。

So you tell them that a day is how long it takes for the Earth to complete a full rotation about its axis.

所以你就跟他们解释，一天就是地球绕地轴旋转一周所需的时间。

This super-Earth takes 8.5 days to make one full rotation on its axis, as well as one orbit around its star.

这颗超级地球需要 8.5 天才能绕其轴旋转一整圈，以及绕其恒星公转一圈。

A day, of course, is measured by the amount of time it takes for the Earth to complete one full rotation on its axis.

当然，一天是以地球自转一圈所需的时间来衡量的。