This is because seizures can reoccur if medications are stopped.

这因停止用药，癫痫可能会再次发作。

So basically, an extended metaphor is a theme that reoccurs throughout the poem.

所以基本上，延伸隐喻贯穿整首诗的主题。

Those chords, which reoccur throughout the opera, serve another purpose.

那些在整个歌剧中反复出现的和弦还有另一个目的。

Well, we have requested the Greek authorities to take all the appropriate measures so such mistakes do not reoccur.

我们已经要求希政府采取所有适当措施，避免这种错误再次发生。

As well as the imagery pay attention to the symbolism and try and notice some of the themes that reoccur in this poem.

除了意象，还要注意象征主义，并试着注意一些在这首诗中再次出现的主题。

But repeating that accomplishment is often not realistic, which can lead to severe negative emotional consequences when it doesn't reoccur.

但重复这种成就不现实的，当它不再发生时，会导致严重的负面情绪后。

This suggests that when complex characters in the body are lost, they aren't regained, because the genetic features that resulted in that loss are highly unlikely to reoccur.

这表明当身体中的复杂特征丢失时，它们不会重新获得， 因导致这种丢失的遗传特征极不可能再次出现。

" If you take patients who have recovered from depression and you deplete their brains of tryptophan, their depression will reoccur within a really short period of time, within minutes to hours" .

“你让抑郁症康复的病人耗尽他们大脑中的色氨酸，他们的抑郁症会在很短的时间内再次出现， 在几分钟到几小时内” 。