The ragged, strained breathing becomes as smooth as a kitten's purr.

规则、紧张吸变得平滑，像小猫声那般安稳。

But there are other types of purr, there is another type of purr called the solicitation purr.

但还有其他种声，其中一种叫做请求声。

I just had to grunt a lot for that one.

这个角色我真得发出许多声。

The mother will also purr back say that all is well her end too.

母猫也会发出声告诉幼猫一切都很好。

In the commercial, the old man's angry red sound waves turn a gentle blue.

广告里，连老头如雷般声也能化为轻柔之音。

Interestingly, we still don't really know why cats purr.

有趣是，我们仍然知道猫为什么会发出声。

But the dogs only wagged their tails and the cats only purred.

可是，那些狗只会摇尾巴，猫也只会发出声。

Have you noticed it's always an Aflat? Is it?

你有没有注意到他声总是降A调? 是吗?

Scientists have discovered that it has an embedded frequency that sounds like a human cry.

科学家发现这种声频率听起来有点像人类哭声。

Many professionals say that a cat's purrs serves the same function as a person's smile.

很多专业人士说，猫声与人微笑有同功能。

Cats will generally purr when they're stretched out in the sun or lying on your lap.

猫通常在阳光下伸展时，还有趴在你大腿上时会发出声。

You know, one night, Leonard's nose whistled so loud, I swear it was like sleeping on a train track.

有天晚上，Leonard声超大我就像睡在了铁轨上。

This sounds more urgent to the owner and they often asking for food or attention.

这种声听起来较紧迫，通常是要求主人注意或是讨食。

In fact, cats purr both during pleasurable situations but also while they're in duress or injured.

事实上，猫在愉悦情况下还有受到胁迫或受伤时都会发出声。

20 My purring might help you too. The frequencies of a cat's purr may confer health benefits on nearby humans as well.

猫声也能帮助人类。猫声也可能对身边人带来健康益处。

I'm going to miss his stripey face in the morning. And his purr, yeah, I'm going to miss that.

早上我会想念它那布满条纹脸。当然我也会想念它声。

And they rolled over on their backs, and they started purring so loudly that it was like tractor engines.

它们滚啊滚，接着开始发出声，那声音大到像拖拉机引擎声。

He started making noises such as Frank had never heard before; he was hissing and spitting without drawing breath.

他发出一些弗兰克从未听见过声音；他歇气地发出嘶嘶声和声。

Just like a cat's purr, smiling can be a subconscious way to soothe yourself when you're afraid.

就像猫声一样，当你害怕时，微笑可以是一种潜意识中抚慰自己方式。

It was just more practical this way, easier to travel and safer when you know everyone around you by grunt.

这种方式会更实用，更便于旅行，当你凭声就能认出身边是谁时候，也能更保证安全。