The second moon is a " blue moon" .

第二个月是" 蓝色月" 。

Now I punish myself every blue moon.

现在我逢蓝月就惩罚自己。

" I do it once in a blue moon."

“我很少那样做。”

Once in a blue moon is an informal phrase.

Once in a blue moon（难逢） 是一个非正式短语。

This is the modern definition of a blue moon.

这就是现代对蓝月定义。

Once in a blue moon simply means very rarely.

“Once in a blue moon”意思是很少。

It'll be a super blue moon, a rare combination of a super moon and a blue moon.

这将是一个超级蓝月，罕见超级月和蓝月合。

Luke can hear beautiful music and see a big blue moon.

Luke能听到美妙音乐，看到一轮又大又蓝月。

A blue moon is a second full moon in one month.

“蓝月”是指一个月内第二次满月。

Once in a blue moon. It doesn't mean that the moon is blue.

Once in a blue moon（难逢），它意思可不是月是蓝色。

These words all describe something that happens once in a blue moon.

这些词都描述了一件难逢事。

Saturn appeared as a bright " star" to the upper right of the blue moon.

在这颗蓝月右上角，土星以一颗明“恒星”形式出现。

My brother lives in Australia so I see him once in a blue moon.

我哥哥住在澳大利亚，所以我很少见到他。

Some people are calling this week's lunar event a super blue blood moon.

有些人将本周月球活动称为“超级蓝血月全食”。

Although it is called a blue moon, it does not appear blue in color.

虽然它被称为蓝月，但它颜色并不是蓝色。

Once in a blue moon is a common way of saying that something does not happen often.

once in a blue moon意思是某事不经常发生，这是一个很常见用法。

The second full moon in a particular month is called the blue moon.

某个特别月份中第二个满月就叫蓝月。

The NASA experts explain that a blue moon is not actually blue in color.

美国国家航空航天局专家解释说，蓝月实际上并不是蓝色。

It should make for a really " bootiful" but eerie once in a blue moon Halloween night.

今年或许会过一个令人真正“毛骨悚然”万圣节蓝月之夜。

According to NASA, this combination, a super blue moon is very rare.

据美国宇航局称，这种超级蓝月合非常罕见。