Then, there's a shift in tone or attitude in line nine which is called a volta.

然后，在第九行有音调或态度的转变，这被称为“volta”。

Usually, after the volta, there is a solution presented in the sestet.

通常，在“volta”之后会有一个回答。

There's your volta, so this is where the speaker changes her tone.

这里就是转折，这是说话人改变语调的地方。

But when we hit the volta, she changes her mind completely, she wants him to remember to be happy in spite of her death.

但是当我们到转折段时，改变了主意，想让他记住即使死了也要快乐。

Now where is the volta, " It will be late to counsel then or pray, Yet if you should forget me for a while" .

我们来看看转折在哪里，“但要是你把我忘怀了片刻，又重新想起；请也不必叹息”。