There are three types of lunar eclipses.

月食有三种类型。

Lunar eclipses are pretty common as astronomical phenomena go.

月食是很常见的天文现象。

Lunar eclipses occur only during the full moon phase.

月食只发生在满月阶段。

Well, for a lunar eclipse, they switch positions.

但在月食发生时，它们会交换位置。

A lunar eclipse only happens when we have a full moon.

月食只在满月时才会发生。

NASA says a blood moon happens during a total lunar eclipse.

NASA表示，血月发生在月全食期间。

And then, there's the big one, the total lunar eclipse.

然后，还有一个盛大的景象，月全食。

A lunar eclipse from the moon looks a lot like a solar eclipse from Earth.

月球上的月蚀看起来很像是来自地球的日食。

And one is to observe what happens during a lunar eclipse.

一种是观察月食发生时的情况。

This week, 2022 had the second full lunar eclipse of the year.

本周，发生了2022年第二次月全食。