But any battery has a finite supply of metal, and once most of it has oxidized, the battery dies.

但是任何电池的金属补给都是有限的，一旦金属的大部分被氧化，电池就无法工作了。

The dust is rich in iron that's oxidized, forming rust.

这种尘埃富含被氧化而形成锈迹的铁。

It was linseed oil — the paint's main ingredient — that had oxidized.

是亚麻籽油——油漆的主要成分——被氧化了。

One is that your skin produces fewer antioxidants, so more fats get oxidized.

一是你的皮肤产生较少的抗氧化剂，所以更多的脂肪被氧化。

So then, how does it become oxidized?

那么，胆固醇是如何被氧化的呢？

And when those new fats get oxidized, that creates nonenal.

当这些新脂肪被氧化时，就会产生壬醛。

But enzymes wear out, and membranes break down, and DNA gets oxidized. So, they get discarded.

但是酶磨损了，膜分解了，脱氧核糖核酸被氧化了。所以，它们被丢弃了。

Red wines tend to be okay with a stopper for a few days, while whites become oxidized more quickly.

红葡萄酒用塞子放一段时间没问题，而白葡萄酒氧化得更快。

Within the plant cell, the water is oxidized. This transforms the water into oxygen and the carbon dioxide into glucose.

在植物细胞内，水氧化并转化为氧气，而二氧化碳转化为葡萄糖。

And by convention they are written as if the substance is being reduced, not oxidized.

按照惯例，它们被写成好像物质正在被还原， 而不是被氧化。