And that's makes the bread sour.

这让面包变酸了。

The blueberry gets acid to make it taste more like blueberry.

蓝莓变酸，使其尝起来更像蓝莓。

If the blood becoming really acidic can have major effects throughout the body.

如果血液变酸，会对全身造成影响。

Well, yogurt is soured milk, so it's difficult to say at which point it sours, because it's already sour.

嗯，酸奶就是酸了的牛奶，所以很难判断它是什么时候变酸的，因为它已经酸了。

When these bacteria ferment the milk and make it acidic enough, the structure of those casein proteins starts to change.

当这些菌使得牛奶发酵变酸时，这些酪子结构会开始变化。

Or, " This cream has gone sour" .

或，“这奶油变酸了”。

Guilt made the coffee taste sour.

让咖啡变酸了。

The milk has gone sour, but initially I don't know what it is.

牛奶变酸了，但起初我不知道那是什么。

Something inside me had gone sour.

我心的某些东西变酸了。

It's gone sour, and you might as well throw out this bread, too.

它变酸了，你还不如把这个面包也扔掉。

" As soon as a priest comes into my house the cream turns sour" !

“牧师一进我家， 奶油就变酸了” ！

And then all of a sudden, it was souring, right?

- 然后突然间， 它变酸了， 对吧？

Farmers also faced a resurgence in citrus greening, an untreatable bacterial disease that turns oranges sour before killing the tree.

果农们还面临着柑橘黄龙病的再次暴发，这是一种无法治愈的细菌疾病，会使橙子变酸，然后使树木枯死。

Well, if you put milk out in the sun, eventually the milk will sour.

好吧，如果你把牛奶放在阳光下，最终牛奶会变酸。

They will remain in this condition three weeks or a month without souring, and secure from frost.

它们将保持这种状态三周或一个月而不会变酸，并且不会霜冻。

When you have a food or a drink that is not eaten quickly enough, sometimes it will go sour.

当你吃的食物或饮料吃得不够快时，有时它会变酸。

It's really frustrating for me when food or when drinks go bad, that means the milk is sour.

当食物或饮料变质时， 我真的很沮丧，这意味着牛奶变酸了。

This milk isn't quite sour but it would be if I left it out here for a long time.

这牛奶不太酸，但如果我把它放在这里很长时间就会变酸。

I can tell she knows, it's like a smell, her knowledge; something gone sour, like old milk.

我能看出她知道，这就像一种气味，她的知识;有些东西变酸了，就像旧牛奶一样。

They estimate a food's shelf life, that is how long the lettuce will be crisp, or how long before the milk begins to sour.

他们估计一种食物的保质期，是看生菜能脆多久，或牛奶开始变酸前多久来判断的。