And we will add a neutral grape spirit, which will kill the yeast.

我们将添加一种中性葡萄烈酒，它会杀死酵母。

When half of the natural sugar of the grape has fermented and turned into alcohol, the juice is drawn out and fortified with a natural grape spirit, which raises the alcohol level to 20%.

当葡萄的一半天然糖分发酵并转化为酒精时，将葡萄汁抽出并用天然葡萄烈酒强化， 将酒精度提高到 20%。