Some changes happen only once in a while, like an eclipse of the moon.

一些变化只有某个时候才会发生，比如月食。

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The scientists predict that there will be an eclipse of the moon next month.

科学家预言下个月会有一次月蚀。

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If the Earth goes between the moon and the sun, we have an eclipse of the moon.

如果地球在月球和太阳之间，我们就有(叫)月食。

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The whole eclipse will last for a couple of hours as the moon passes in front of the sun, creating a partial eclipse.

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What everyone has been waiting for is something as rare as a simultaneous eclipse of the sun and the moon: a time when the four Beatles (and their widows), both Apple companies and EMI are all on the same side.

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People in a much larger region of the world can anticipate seeing a partial solar eclipse, in which the moon blocks only a fraction of the sun's disk.

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