So let's see what happens to the grain size when we heat treat a metal.

那么让我们来看看金属经过后晶粒大小会发生什么变化。

Maybe I have to, if it's a metal part, maybe I have to heat treat it.

如果是金属部件，我可能还得对其进行。

And as well, that raw milk, it has to be labelled to say that it hasn't been heat treated.

此外，生牛奶必须贴上标签，标明其未经加。

You've got an interesting deck because your deck is like a thermally treated hardwood that has been chemically treated as well as heat treated.

你的牌组很有趣，因为们是由经过化学的耐硬木制成的。

Yes, so over the years there was a decline in the number of illnesses because of the introduction of having to heat treat milk.

是的，多年来，由于引入了对牛奶进行加的要求，患病人数有所下降。

But ultimately, the reasons why that milk needs to be heat treated in the UK is to safeguard the consumer from becoming ill with a milk borne infection.

但最终，英国需要对牛奶进行加的原因是为了保护消费者免受由牛奶传播的感染疾病。

But someone commented on that video saying that this atomics toy might also be useful for demonstrating what's going on when you heat treat metals like annealing or tempering.

但有人在那条视频下评论说，这个原子玩具可能也适用于演示加金属（如退火或回火）时发生的情况。

Obviously, stuff in a tin has been heat treated, and I think it kind of slightly overcooks them, but in a way that is almost a completely different experience, especially when it's submerged in oil.

显然，罐头里的东西经过了，我认为有点煮过头了，但在某种程度上，这几乎是完全不同的体验，尤其是当浸在油里的时候。