'A snowball effect' is a situation in which one action or event causes many other actions or events.

“滚雪球效应”描述了一类情况：某个行动或事件导致了许多其他事情接连发生。

So this was just kind of a snowball effect.

所以这只是一种滚雪球效应。

When you finish one task, you experience a burst of motivation that encourages you to finish another, creating a snowball effect lasting for hours.

完成一项任务时，你会体验到一股动力，这股动力会鼓励你完成另一项任务，从而产生持续数小时的滚雪球效应。