#大學英語聽力#

For years, astronomers have been searching for patterns in strange blasts of radio waves coming from space.

多年來，天文學家一直在尋找來自太空的奇怪無線電波爆炸的模式。

These fast radio bursts (FRBs) had seemed totally random, but for the first time we have seen an FRB that turns off and on again at regular intervals.

這些快速無線電爆發(FRB)似乎完全是隨機的，但我們第一次看到FRB以固定的間隔關閉和再次開啟。

Now we just need to figure out why.

現在我們只需要找出原因。

FRBs are extremely powerful, flashing with the intensity of hundreds of millions of suns for just a few milliseconds.

FRBs非常強大，只需幾毫秒就能以數億個太陽的強度閃爍。

Most of them flash only once, but some so-called “repeaters” burst many times from the …

它們中的大多數只閃爍一次，但一些所謂的“中繼器”從…突發多次