例句與造句

1. Also, about half of the stars which were active showed repeating flares : one had as many as 57 events in 500 days . Concentrating on solar-type stars, the most active averaged one flare every 100 days; the frequency of super鸻re occurrence in the most active Sun-like stars is 1000 times larger than that of the general average for such stars.
2. It's difficult to find active sun in a sentence. 用active sun造句挺難的